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fb93024fe4977a0e01b359185a388e83c8ecccb1
abstract
0
6
Abstract
We consider a supersymmetric completion of codimension-two branes with nonzero tension in a 6D gauged supergravity. As a consequence, we obtain the football solution with 4D Minkowski space as a new supersymmetric background that preserves 4D N=1 SUSY. In the presence of brane multiplets, we derive the 4D effective sup...
{ "cite_spans": [] }
10.1063/1.3052086
0807.1858
U(1)_R mediation from the flux compactification in six dimensions
[ "Hyun Min Lee" ]
[ "hep-th", "hep-ph" ]
2,008
en
Physics
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a295fb0521752ce2725fa282610f2627b231f9d9
subsection
1
6
Body
8x11doubleU(1)_R mediation from the flux compactificationin six dimensions11.10.Kk,11.25.Mj,04.65.+e,12.60.Jv Gauged supergravity, Codimension-two branes, Flux compactifications, Supersymmetry breakingHyun Min Lee address= Department of Physics, Carnegie Mellon University, Pittsburgh, PA 15213, USAWe consider a supersy...
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10.1063/1.3052086
0807.1858
U(1)_R mediation from the flux compactification in six dimensions
[ "Hyun Min Lee" ]
[ "hep-th", "hep-ph" ]
2,008
en
Physics
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93a0584d710c91c831d8b357b9f28544c23b0173
subsection
2
6
Body
But, once the T modulus is stabilized by a T-dependent superpotential, the brane scalar soft mass does not vanish due to modulus mediation.In this talk, we consider a flux compactification in a 6D gauged supergravity with codimension-two branes. The U(1)_R gauge flux in the internal dimensions is turned on to stabilize...
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10.1063/1.3052086
0807.1858
U(1)_R mediation from the flux compactification in six dimensions
[ "Hyun Min Lee" ]
[ "hep-th", "hep-ph" ]
2,008
en
Physics
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ff6d336433b457257b890ff546b3cb199456fbb7
subsection
3
6
Body
In particular, for a constant dilaton and {\hat{F}}_{\rho \theta }=4g\epsilon _{\rho \theta }, the football solution is obtained aswith r^2_0=\frac{1}{2g^2}. Two codimension-two branes with equal tensions T_1=T_2=4\pi (1-\lambda ) are located at the poles of the football. The gauge field strength is modified due to the...
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10.1063/1.3052086
0807.1858
U(1)_R mediation from the flux compactification in six dimensions
[ "Hyun Min Lee" ]
[ "hep-th", "hep-ph" ]
2,008
en
Physics
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3512aea6c040090269f94e712cf699231d18312d
subsection
4
6
Body
After plugging the above solutions into the 6D action together with e^f G_{\mu \nu \rho }=\epsilon _{\mu \nu \rho \tau }\partial ^\tau \sigma and integrating over the extra dimensions, we identify the Kähler potential aswhere \delta _{GS}=8g_R and \xi _R=2g_RM^2_P with g_R=g/\sqrt{V} and the scalar components of the m...
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10.1063/1.3052086
0807.1858
U(1)_R mediation from the flux compactification in six dimensions
[ "Hyun Min Lee" ]
[ "hep-th", "hep-ph" ]
2,008
en
Physics
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19eb9259ddbf59d7d0364102b0a1ebc2b14d9b21
subsection
5
6
Body
For example, we assume that the uplifting potential is given solely by the F-term with W=W(S)+\mu ^2 Q^{\prime }+W_v(Q), i.e. F_{Q^{\prime }}=\mu ^2. Then, for the vanishing vacuum energy condition |F_{Q^{\prime }}|^2\simeq -{\rm Re}(S){\rm Re}(T)V_1={\rm Re}(S){\rm Re}(T)(2m^2_{3/2}M^2_P-|F_S|^2) with \alpha {\rm Re}(...
{ "cite_spans": [] }
10.1063/1.3052086
0807.1858
U(1)_R mediation from the flux compactification in six dimensions
[ "Hyun Min Lee" ]
[ "hep-th", "hep-ph" ]
2,008
en
Physics
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18e778616cbaa1ec288efa787e9af011a2c704b2
abstract
0
22
Abstract
The dependence of the Casimir force on material properties is important for both future applications and to gain further insight on its fundamental aspects. Here we derive a general theory of the Casimir force for low-conducting compounds, or poor metals. For distances in the micrometer range, a large variety of such m...
{ "cite_spans": [] }
10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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bb78f95e38d269fac690ef983da85e144d5e45a9
subsection
1
22
Introduction and motivation
The Casimir force  has demonstrated the reality of zero-point field fluctuations, which played a significant role in the development of quantum field theory (see, e.g., the monographs , and review papers , , , ). The Casimir effect attracts considerable attention because of its numerous applications in quantum field th...
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10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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628dff601f69b45e76263b482e897785bebb092f
subsection
2
22
Casimir force for good metals and dielectrics
The Casimir force between two macroscopic samples is caused by a spatial redistribution of the fluctuations of the electromagnetic field compared to that of free space because of the presence of the samples. For the simplest case of two parallel perfectly conducting thick metallic plates placed in vacuum and separated ...
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10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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9faf0fd7fb1739d1e1332f7f301f7f17a73ed5c4
subsection
3
22
Material aspects of the Casimir force
To study the Casimir force, different materials can be used. Indeed, it is important to understand how this force is affected by the choice of different materials. For example, recent studies, using silicon with different degrees of doping , or materials for sensors, like Vanadium oxide , have shown numerous specific f...
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10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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bd0d74953d1ff891938da0494125d69f752a318b
subsection
4
22
Material aspects of the Casimir force
For metals, the plasma frequency \omega _{\mathrm {p}} is the highest frequency \omega _0 . Thus, the standard Casimir result (REF ) is valid for large distances l > \lambda _p = c / \omega _p between the plates, see Ref. 3. For the opposite limit case of smaller distances, l < \lambda _p,F(l \rightarrow 0) = \frac{\hb...
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10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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04a2bdbe02c49f5fb3bb76d6dd996a782e534e09
subsection
5
22
Caviats and limitations
It is worth noting here that, as far as we know, only one experiment has been performed using the parallel-plate configuration originally envisioned by Casimir. Most measurements of the Casimir force have studied the interaction of a spherical probe with a flat substrate, using the so-called Proximity Force Theorem  to...
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10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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subsection
6
22
Casimir force for pure metals and compounds
Numerous compounds are known for which the carrier density and plasma frequency \omega _p are abnormally small. The investigation of such conducting systems, which can be called “poor metals”, is of interest from the point of view of both fundamental physics and applications. Examples include highly doped silicon , , l...
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10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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3e6eefec6ddc567630ade2735a76c577cc46905e
subsection
7
22
Derivation of the Casimir force for poor metals
For general dispersive media, the Casimir force is determined by the integral in Eq. (REF ). Keeping in mind the large variety of poor-metal parameters discussed above, we now need to develop an analytical approach to estimate the integral (REF ) and to study the role of different parameters, like \epsilon _\infty or \...
{ "cite_spans": [] }
10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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[ 0.00201416015625, 0.146484375, 0.2158203125, 0.119384765625, 0.2213134765625, 0.1787109375, 0.315673828125, 0.249755859375, 0.00531005859375, 0.17236328125, 0.061004638671875, 0.0380859375, 0.268310546875, 0.0052490234375, 0.1483154296875, 0.18896484375, 0.13232421875, 0.2454833984...
8c2274131ae4f8c3c7e9e4c6588b520497ea8e16
subsection
8
22
Derivation of the Casimir force for poor metals
(REF ) for the first integral and omitted the Drude multiplier for the second integral.Expanding the integration region over \zeta in both integrals up to 0 \le \zeta < \infty , and subtracting the extra terms, we present the Casimir force in the form,F = F^{(m)} + \Delta F,withF^{(m)}=\frac{\hbar }{2\pi ^2c^3}\int \li...
{ "cite_spans": [] }
10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
[ 11766, 919, 1388, 100, 70, 5117, 28970, 171, 217, 56144, 112, 118126, 56, 17932, 3180, 157353, 10776, 6, 41872, 731, 102, 15044, 7, 47, 757, 133, 46632, 939, 4, 39989, 4173, 69407, 642, 13379, 138761, 4326, 37772, 3173, 2203, 563, 8353,...
[ 0.1556396484375, 0.2474365234375, 0.0174713134765625, 0.04241943359375, 0.0279998779296875, 0.0816650390625, 0.2342529296875, 0.08428955078125, 0.0243072509765625, 0.09466552734375, 0.1763916015625, 0.1258544921875, 0.04241943359375, 0.0804443359375, 0.0670166015625, 0.212890625, 0.1...
139ce21731e555cd33e26b25bec64c793cf8fdd2
subsection
9
22
Computing the Casimir force integrals
To proceed further, let us change the variable z by x=z/2p in Eq. (REF ), and note, that the integral \int \limits _0^\infty { (Ae^x - 1)^{ - 1}x^3dx} , with A = A(x,p) being a smooth function of x, can be approximated by 1 / A(x_0 ,p) with x_0 \sim 4. The problem is then reduced to calculating two one-dimensional inte...
{ "cite_spans": [] }
10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
[ 172337, 15549, 77336, 97, 390, 1022, 169, 12477, 254, 864, 11766, 919, 6, 20537, 28970, 4288, 93343, 7, 2389, 41872, 46632, 939, 13, 8353, 425, 20, 4879, 24854, 106, 8152, 363, 4, 62, 16, 8035, 10, 156100, 32354, 111, 831, 186, 35707,...
[ 0.00152587890625, 0.12744140625, 0.1702880859375, 0.1392822265625, 0.012451171875, 0.08538818359375, 0.0865478515625, 0.094970703125, 0.0830078125, 0.1220703125, 0.009918212890625, 0.099609375, 0.01239013671875, 0.010467529296875, 0.278076171875, 0.193603515625, 0.2269287109375, 0....
b2e42762568c660bcba3bec2ff8b90d67a467efd
subsection
10
22
Computing the Casimir force integrals
(REF ), is not realized for any \varepsilon _\infty \ne 1.Otherwise, in the limit case \tilde{l} \rightarrow \infty , the integrals J_1=J_2=1, and the ideal Casimir limit (REF ) is recovered. In contrast to the case of small values of \tilde{l} , the dependence of \Pi on l for large, but finite values of \tilde{l} show...
{ "cite_spans": [] }
10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
[ 11766, 919, 6, 83, 959, 185171, 100, 2499, 26761, 15759, 4759, 46632, 939, 670, 90825, 4, 17475, 7225, 3675, 112, 141, 8152, 41872, 54969, 118201, 28970, 7, 821, 115187, 1375, 454, 304, 33000, 6397, 138761, 4326, 1388, 192026, 297, 360, ...
[ 0.1304931640625, 0.2159423828125, 0.00970458984375, 0.049072265625, 0.1123046875, 0.223876953125, 0.0283660888671875, 0.04595947265625, 0.0643310546875, 0.120361328125, 0.1307373046875, 0.21533203125, 0.087890625, 0.008453369140625, 0.009002685546875, 0.009979248046875, 0.24291992187...
49c239e39d754aaab33e21743fe76814e2c035f1
subsection
11
22
Computing the Casimir force integrals
But for the case of interest, \tilde{l} \ge 3, the integral J_1 can be well approximated with the simpler expressionJ_{1, \, \mathrm {appr}}=\frac{\sqrt{(3+ \varepsilon _{\infty })(3+5\alpha \tilde{l}) +3 \varepsilon _{\infty }\tilde{l}^2 }-2\sqrt{3+5\alpha \tilde{l}}}{\sqrt{(3+ \varepsilon _{\infty })(3+5\alpha \tilde...
{ "cite_spans": [] }
10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
[ 4966, 70, 7225, 111, 33946, 3675, 112, 141, 429, 138, 28970, 821, 115187, 831, 5299, 35707, 53950, 27686, 678, 8781, 42, 125195, 1375, 454, 418, 4, 6, 41872, 125458, 39, 10666, 9007, 47391, 1369, 132076, 24854, 7, 864, 3198, 86827, 1328...
[ 0.0168609619140625, 0.0130615234375, 0.0310211181640625, 0.0126953125, 0.16552734375, 0.2252197265625, 0.244384765625, 0.1729736328125, 0.13525390625, 0.179931640625, 0.2449951171875, 0.224365234375, 0.2393798828125, 0.0533447265625, 0.069580078125, 0.146728515625, 0.22412109375, 0...
61fc2f24fbda1494a4d4812ce5d3a17d75ac8b45
subsection
12
22
Computing the Casimir force integrals
Indeed, all the curves with 0 \le \alpha < 0.3 merge together, and for describing of J_{2} within an accuracy of 1.5%, the function J_{2}(\tilde{l}) found for \alpha =0.1 can be used. Even for small \varepsilon _{\infty } = 1.5, the inaccuracy of this approximation is less than 5%. [Figure: The integral J_2 calculatedn...
{ "cite_spans": [] }
10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
[ 102627, 297, 756, 9709, 3132, 678, 757, 6, 133, 289, 14612, 4426, 127089, 42564, 25842, 28852, 821, 454, 304, 8152, 28032, 142, 61689, 219, 2408, 111, 615, 13465, 70, 32354, 3675, 112, 141, 16, 14037, 100, 102014, 831, 186, 11814, 31267...
[ 0.049072265625, 0.010528564453125, 0.0909423828125, 0.2115478515625, 0.21142578125, 0.033538818359375, 0.131591796875, 0.010589599609375, 0.0938720703125, 0.02764892578125, 0.197021484375, 0.05560302734375, 0.20458984375, 0.22314453125, 0.152099609375, 0.142333984375, 0.2447509765625...
235ce5ba988fa865dead774d0e6787c775f522f7
subsection
13
22
Change in the Casimir force near the metal-insulator transition
The analytical formulae derived above give a good description of the behavior of the Casimir force when the metal-insulator transition occurs. Usually, the metal-insulator transition is associated with an abrupt change, by a few orders of magnitude, of the conductivity at a transition temperature T = T_c. Let us start ...
{ "cite_spans": [] }
10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
[ 6, 140815, 26168, 36917, 10, 4127, 76811, 70, 123166, 138761, 4326, 37772, 3229, 12924, 5425, 129073, 149307, 74918, 7, 62544, 25958, 4, 83, 137272, 219817, 15549, 390, 111, 101668, 13, 55080, 54613, 53, 99, 52768, 384, 238, 4034, 678, 16...
[ 0.009521484375, 0.19482421875, 0.1708984375, 0.05059814453125, 0.009490966796875, 0.048614501953125, 0.07464599609375, 0.0096435546875, 0.151123046875, 0.17822265625, 0.28759765625, 0.2197265625, 0.0457763671875, 0.21484375, 0.160888671875, 0.2264404296875, 0.23193359375, 0.0573120...
ca976e4a8b3ed5aba0260f6f967f6b3183dbaeb9
subsection
14
22
Change in the Casimir force near the metal-insulator transition
(REF ) is valid, and the formula for \Delta F reads\Delta F = \frac{ \pi ^2 }{240}\frac{c\hbar }{l^4} \cdot \left[1- \left( {\frac{\varepsilon _\infty - 1}{\varepsilon _\infty + 1}} \right)\varphi _1(\varepsilon _\infty ) - \sqrt{\frac{ c }{\omega _p \varepsilon _\infty \, l}} \right].Note that our results differ sign...
{ "cite_spans": [] }
10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
[ 11766, 919, 83, 35604, 136, 70, 26168, 100, 41872, 58598, 102, 563, 12301, 7, 2203, 132076, 1434, 304, 62635, 238, 127, 1299, 141, 617, 15464, 20268, 26761, 15759, 4759, 46632, 106, 997, 54969, 1961, 19379, 418, 864, 501, 306, 2765, 254...
[ 0.1126708984375, 0.1947021484375, 0.0946044921875, 0.2171630859375, 0.01251220703125, 0.0216827392578125, 0.26171875, 0.05072021484375, 0.0180511474609375, 0.2183837890625, 0.185302734375, 0.27197265625, 0.154296875, 0.0178985595703125, 0.0899658203125, 0.1427001953125, 0.22607421875...
dd545077e4aef15e241a1849f225090f4d40e00f
subsection
15
22
Composite media and the intermediate region for metal-insulator transition
The very abrupt (by a few orders of magnitude) change of the conductivity at the metal-insulator transition occurs for the dc case only. At finite frequencies, the behavior of the complex permittivity of compounds near metal-insulator transition is more complicated and the jump-like behavior, typical for the static con...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 853, "openalex_id": "", "raw": "T. W. Noh, P. H. Song, and A. J. Sievers, Phys. Rev. B 44, 5459 (1991).", "source_ref_id": "d74aebb63e6a9aa15850e856339730516cc986ee", "start": 656 }, { "arxiv_id": "", ...
10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
[ 4552, 219817, 1272, 10, 10846, 12989, 7, 111, 101668, 13, 15549, 55080, 54613, 53, 99, 12924, 5425, 129073, 149307, 74918, 104, 238, 7225, 4734, 94418, 12478, 944, 117538, 4, 70, 123166, 27140, 28897, 19805, 217773, 43573, 83, 1286, 96704, ...
[ 0.077880859375, 0.177734375, 0.022430419921875, 0.0223388671875, 0.0855712890625, 0.1163330078125, 0.022552490234375, 0.0225677490234375, 0.06768798828125, 0.0223236083984375, 0.1751708984375, 0.1767578125, 0.162841796875, 0.0292816162109375, 0.005523681640625, 0.2003173828125, 0.181...
029a26dc2bc478e552841d9811abf1b8cdd60930
subsection
16
22
Composite media and the intermediate region for metal-insulator transition
In the intermediate region, the effective permittivity \varepsilon _{\mathrm {eff}} (i\zeta ) as a function of the phase concentration f can be written as follows:2\frac{\varepsilon _{\mathrm {eff}} (i\zeta )}{\varepsilon _\infty } = (2f - 1)\frac{\omega _p^2 }{\zeta (\zeta + \gamma )} \\ + \sqrt{4 + \frac{4\omega _p^2...
{ "cite_spans": [] }
10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
[ 360, 70, 81814, 2182, 10776, 60266, 28897, 19805, 939, 41872, 26761, 15759, 4759, 101, 24854, 125458, 39, 68053, 14, 731, 102, 1388, 237, 32354, 93402, 202104, 1238, 831, 59121, 28960, 7, 304, 132076, 42, 47391, 15, 8152, 46632, 51912, 22...
[ 0.0921630859375, 0.026947021484375, 0.2303466796875, 0.14990234375, 0.2225341796875, 0.252197265625, 0.283203125, 0.214599609375, 0.108154296875, 0.035400390625, 0.1824951171875, 0.21337890625, 0.201416015625, 0.03594970703125, 0.0166778564453125, 0.02099609375, 0.0845947265625, 0....
248396cb891ebcac2e53f403d1721a77c7e5548a
subsection
17
22
Composite media and the intermediate region for metal-insulator transition
REF .It is useful to note here that a linear temperature dependence of \omega _p^2 was observed  in La_{0.7}Sr_{0.3}MnO_3 for T < T_c . Thus, we can describe the Casimir force in the intermediate region as a series of curves, with their shape only depending on l / \lambda _p, as shown in Fig. REF .
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 135, "openalex_id": "", "raw": "K. H. Kim, J. H. Jung, and T. W. Noh, Phys. Rev. Lett. 81, 1517 (1998).", "source_ref_id": "ea5c8c7fd1bf2d0ab46853ccf17e5bafc5106351", "start": 5 } ] }
10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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0319b2e721cfb06aab8bbe71c52b90bea1155dfa
subsection
18
22
Predictions for specific materials
Using the results obtained in the previous sections, here we estimate numbers for different materials showing the metal-insulator transition. To study the Casimir force in the vicinity of the metal-insulator transition, we choose two typical compounds: vanadium dioxide VO_{2} and the manganites exhibiting colossal magn...
{ "cite_spans": [] }
10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
[ 50339, 3688, 25902, 101935, 12921, 76319, 141377, 12924, 9, 5425, 129073, 149307, 35187, 138761, 4326, 37772, 23, 193280, 939, 55076, 6626, 222201, 217773, 131, 11, 28483, 143961, 13, 55104, 304, 46337, 17094, 80788, 44820, 2317, 39411, 19058, ...
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8beecf46dfdb4ee038c66a38eddda1f634cdb4e6
subsection
19
22
Vanadium dioxide VO
Vanadium dioxide, VO_{2}, shows a jump in the static conductivity (a metal-insulator transition) a little bit above room temperature, at T = T_c \approx 68 \ ^\circ C. The pure metallic phase of VO_{2} is realized at T > 88 \ ^\circ C, and pure insulator phase  (more exactly, semiconducting phase with a gap of the orde...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 537, "openalex_id": "", "raw": "N. F. Mott, Metal-Insulator Transitions, 2nd ed. (Taylor&Francis, London, 1990); M. Imada, A. Fujimori, Y Tokura, Rev. Mod. Phys., 70, 4 (1998).", "source_ref_id": "01bbc0bb94f2bdad28b17f88b04...
10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
[ 3000, 11, 28483, 6, 143961, 13, 55104, 454, 304, 45831, 10, 88203, 201939, 55080, 54613, 12924, 5425, 129073, 149307, 16, 10176, 4785, 36917, 17155, 52768, 4, 99, 384, 2203, 238, 41872, 2631, 64101, 12045, 13331, 82063, 313, 34166, 99665, ...
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e0cd64d793edbe78d153bc60ce1b5231f3250c86
subsection
20
22
Manganites.
Manganites (with antiferromagnetic insulators LaMnO_{3} or NdMnO_{3} as parent compounds, after substitution of La by divalent ion) show a metal-insulator transition at the dopant concentration x\sim 0.3, with a ferromagnetic metallic phase in the low temperature range.  These systems are very popular now in the contex...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 2388, "openalex_id": "", "raw": "Physics of Manganites, edited by T. A. Kaplan and S. D. Mahanti (Kluwer Academic/Plenum publishers, New York, 1999).", "source_ref_id": "539259a31be1eb41f796151c7fbe10b14c93ea3a", "star...
10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
[ 109958, 17094, 7, 76228, 2874, 2875, 516, 155116, 1771, 125001, 22230, 239, 594, 19, 670, 363, 8152, 24854, 237, 49129, 217773, 4, 7103, 161740, 1830, 111, 390, 85540, 45339, 16, 7639, 12924, 5425, 129073, 149307, 70, 54, 95945, 202104, 1...
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7a451acf9ebd842140b92e7d78cb5621386f67df
subsection
21
22
Conclusions
The Casimir force depends on the materials used, and we have studied some of these material-dependent aspects. The Casimir force F_\mathrm {C} for a mechanical system containing compounds with a metal-insulator transition shows an abrupt temperature dependence in the transition region. The relative change of the force ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 3409, "openalex_id": "", "raw": "V. Petrov, M. Petrov and V. Bryksin, J. Petter and T. Tschudi, Opt. Lett. 31, 3167 (2006).", "source_ref_id": "67afcb940d10a8639ecc2591436bcb8746837094", "start": 3150 }, { ...
10.1103/PhysRevB.80.125119
0807.1859
Large temperature dependence of the Casimir force at the metal-insulator transition
[ "E. G. Galkina", "B. A. Ivanov", "Sergey E. Savel'ev", "V. A. Yampol'skii", "Franco Nori" ]
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
2,008
en
Physics
[ 581, 138761, 4326, 37772, 56566, 98, 70, 76319, 11814, 4, 765, 22282, 71, 111, 6097, 4912, 9, 181063, 128746, 563, 125458, 42, 39, 441, 8152, 10, 135969, 289, 5426, 70541, 214, 217773, 7, 12924, 5425, 129073, 149307, 45831, 142, 219817, ...
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7f7a1eb428171c8c2fda85c43e00cd701cbb03c2
abstract
0
15
Abstract
We give an elementary introduction to a recent diagrammatic extension of dynamical mean field theory (DMFT) coined dynamical vertex approximation (D$\Gamma$A). This approach contains the important local correlations of DMFT, giving, among others, rise to quasiparticle renormalizations, Mott-Hubbard transitions and magn...
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0807.1860
Dynamical vertex approximation -- an introduction
[ "K. Held", "A. A. Katanin", "A. Toschi" ]
[ "cond-mat.str-el", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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a29536e61c8c87a7bfaaad97aaa530efcd3d7624
subsection
1
15
Introduction
Dynamical mean field theory (DMFT) , , , has been a success story for the theoretical modeling of strongly correlated electrons systems since it contains the major contribution of electronic correlations: the local ones. Diagrammatically, DMFT corresponds to all topologically distinct Feynman diagrams, albeit only for...
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0807.1860
Dynamical vertex approximation -- an introduction
[ "K. Held", "A. A. Katanin", "A. Toschi" ]
[ "cond-mat.str-el", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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00fda8691cb9e7b79c69a0cc2a2b23a6505213f6
subsection
2
15
Introduction
For the one-band Hubbard model, approximately 30-60 sites are possible which means a correlation length of about 3 sites in two dimensions and 1 site in three dimensions. In realistic multi-orbital calculations, the effort increases further with the number of orbitals. Hence, hitherto only two sites have been considere...
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0807.1860
Dynamical vertex approximation -- an introduction
[ "K. Held", "A. A. Katanin", "A. Toschi" ]
[ "cond-mat.str-el", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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6a629bdeda08ee3ff83e521c31a5df1015f65512
subsection
3
15
Full (self-consistent) D
Taking the locality of the fully irreducibleThat is, cutting two Green function lines of the Feynman diagram for the vertex does not divide the vertex into two parts. vertex as a starting point, we can formulate the D\Gamma A approach as following, see Fig. REF for the algorithm: Starting with an arbitrary local Green ...
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0807.1860
Dynamical vertex approximation -- an introduction
[ "K. Held", "A. A. Katanin", "A. Toschi" ]
[ "cond-mat.str-el", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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e36272effff6af2ba3cc015187ba40cdd7f9fbd3
subsection
4
15
Full (self-consistent) D
(REF ), the dispersion relation \epsilon _{\bf {k}} of the lattice and the chemical potential \mu , we can now calculate a new local and non-local Green function via the Dyson equationG_{\bf {k},\nu }=[i \nu _n-\epsilon _{\bf {k}}+\mu -\Sigma _{\bf {k},\nu }]^{-1} .After this fourth step of the algorithm, we can go bac...
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0807.1860
Dynamical vertex approximation -- an introduction
[ "K. Held", "A. A. Katanin", "A. Toschi" ]
[ "cond-mat.str-el", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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8b076d635573908418b3e2c70ce4bb93a2f16f4c
subsection
5
15
Restriction to the two-particle-hole channels
Instead of this full (self-consistent) D\Gamma A approach, we have, in a first step, implemented a simplified scheme : Neglecting the particle-particle channel of the Parquet diagrams, we restricted ourselves to the two particle-hole channels which are longitudinal and transversal, respectively, in the spin indices; se...
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0807.1860
Dynamical vertex approximation -- an introduction
[ "K. Held", "A. A. Katanin", "A. Toschi" ]
[ "cond-mat.str-el", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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d887b34845c91a1c49ceab3efb10bfb1f7859755
subsection
6
15
Restriction to the two-particle-hole channels
Here, \Gamma _{s(c),\text{loc}} is the local (\mathbf {q}-summed) counterpart of \Gamma _{s(c),\mathbf {q}}. With the restriction to the two particle-hole channels, actually a non-self consistent calculation is preferable so that the algorithm ends with a calculation of the D\Gamma A Green function from the self energy...
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0807.1860
Dynamical vertex approximation -- an introduction
[ "K. Held", "A. A. Katanin", "A. Toschi" ]
[ "cond-mat.str-el", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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d25c5bb56f97913aae6010eebdfd29b1899eacee
subsection
7
15
Moriyaesque
As a numerically inexpensive alternative to the fully self-consistent D\Gamma A algorithm, we recently introduced a Moriyaeque \lambda correction to the algorithm of Section REF . In the Moriya theory of weak itinerant magnets , the perturbatively obtained susceptibility is corrected as follows\chi _{\mathbf {q}\omega ...
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0807.1860
Dynamical vertex approximation -- an introduction
[ "K. Held", "A. A. Katanin", "A. Toschi" ]
[ "cond-mat.str-el", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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e3049bc7d401049d1cfd8deca0193e1449481ece
subsection
8
15
Three-dimensional Hubbard model
Let us turn to the results, starting with the three-dimensional Hubbard model on a cubic latticeH=-t\sum _{\langle ij\rangle \sigma }c_{i\sigma }^{\dagger }c_{j\sigma }+U\sum _{i}n_{i\uparrow }n_{i\downarrow }.Here, t denotes the hopping amplitude between nearest-neighbors, U the Coulomb interaction, c_{i\sigma }^{\dag...
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0807.1860
Dynamical vertex approximation -- an introduction
[ "K. Held", "A. A. Katanin", "A. Toschi" ]
[ "cond-mat.str-el", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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9601c5c0c6bfa2d7b572d6ed0253db36fdf32b4c
subsection
9
15
Three-dimensional Hubbard model
When increasing U to the crossover regime, this quasiparticle peak is first strongly damped, i.e, smeared out (second point considered at U=1.5 D, \beta =0.089D; for the DMFT spectrum see Fig. REF ). Note, this change from a metal to a strongly damped quasi-metal was confirmed recentely by photoemssion experiments for ...
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0807.1860
Dynamical vertex approximation -- an introduction
[ "K. Held", "A. A. Katanin", "A. Toschi" ]
[ "cond-mat.str-el", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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032ca61949916f0b59cb64853c1ee83c9f79cb8e
subsection
10
15
Three-dimensional Hubbard model
It also shows that the Mott-Hubbard transition is strongly affected by antiferromagnetic fluctuations.The results shown here are close to the antiferromagnetic phase transition, where the antiferromagnetic fluctuations are particularly strong. If we increase temperature, i.e., if we are deep inside the paramagnetic pha...
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0807.1860
Dynamical vertex approximation -- an introduction
[ "K. Held", "A. A. Katanin", "A. Toschi" ]
[ "cond-mat.str-el", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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bf1b08278033fb7e41dd0f5c02ab3406a6bfdf4e
subsection
11
15
Two-dimensional Hubbard model
Let us turn now to the two-dimensional Hubbard model on a square lattice where antiferromagnetic fluctuations are expected to be much more pronounced since the particle-hole ladder diagrams diverges logarithmically in two dimensions. Our insight into these antiferromagnetic fluctuations has been recently improved not o...
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0807.1860
Dynamical vertex approximation -- an introduction
[ "K. Held", "A. A. Katanin", "A. Toschi" ]
[ "cond-mat.str-el", "cond-mat.mtrl-sci" ]
2,008
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Physics
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98fbd527782ebb5b360ca8ff201719aad804b4de
subsection
12
15
Two-dimensional Hubbard model
Note, however the strong anisotropy of the damping which is much stronger in the anti-nodal direction. [Figure: Spectral function for the two-dimensional Hubbard model off half-fillingin the nodal (left) and anti-nodal (right)direction. Parameters are n\approx 0.8 electrons/site, a next-nearest neighbor hopping t^{\pri...
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0807.1860
Dynamical vertex approximation -- an introduction
[ "K. Held", "A. A. Katanin", "A. Toschi" ]
[ "cond-mat.str-el", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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d50b4f03e5c5bdd4e97d4e5b071a4409402e9101
subsection
13
15
One-dimensional Hubbard model
One of the fascinating effects of electronic correlation is the separation of spin and charge in one dimension. Slezak et al. addressed this issue in their one-dimensional D\Gamma Aesque calculation. As a starting point the authors considered an 8-site DCA cluster and supplemented it with additional longer range correl...
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0807.1860
Dynamical vertex approximation -- an introduction
[ "K. Held", "A. A. Katanin", "A. Toschi" ]
[ "cond-mat.str-el", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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362775c516176b0a676fb5822251554555a3a4a2
subsection
14
15
Summary and Outlook
In summary, we have presented the D\Gamma A approach in an algorithmic form, including the restriction to the two particle-hole channels and the Moriyaesque \lambda -correction. Let us also emphasize here that D\Gamma A is a complementary approach to the extended DMFT (EDMFT) , . EDMFT deals with the local correlations...
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0807.1860
Dynamical vertex approximation -- an introduction
[ "K. Held", "A. A. Katanin", "A. Toschi" ]
[ "cond-mat.str-el", "cond-mat.mtrl-sci" ]
2,008
en
Physics
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33d46c3b59700bf4cd218b3afaa975afb310d55f
abstract
0
15
Abstract
We present an empirical assessment of the use of broadband optical colours as age indicators for unresolved extragalactic clusters and investigate stochastic sampling effects on integrated colours. We use the integrated properties of Galactic open clusters as models for unresolved extragalactic clusters. The population...
{ "cite_spans": [] }
10.1111/j.1365-2966.2008.13705.x
0807.1862
An Assessment of Broadband Optical Colours as Age Indicators for Star Clusters
[ "M. Hancock", "B. J. Smith", "M. L. Giroux", "C. Struck" ]
[ "astro-ph" ]
2,008
en
Physics
[ 13379, 156002, 6827, 164031, 4527, 134744, 8262, 233, 70760, 134855, 7, 237, 32070, 172075, 51, 107, 86918, 71, 4173, 20646, 49086, 234737, 32603, 3474, 1436, 57, 2676, 2069, 93425, 98, 78779, 297, 183871, 30733, 9803, 115774, 43904, 142518, ...
[ 0.0162811279296875, 0.1683349609375, 0.012054443359375, 0.129150390625, 0.1324462890625, 0.1396484375, 0.15576171875, 0.1776123046875, 0.13818359375, 0.2493896484375, 0.086181640625, 0.047210693359375, 0.188720703125, 0.2061767578125, 0.093505859375, 0.05596923828125, 0.1595458984375...
032ec0c78223a57d18a8aa45793db1c238299ecf
subsection
1
15
INTRODUCTION
Thousands of luminous young star clusters have been discovered in external galaxies by the Hubble Space Telescope (HST) (e.g., , , , , , , , , , , , and references therein). Population synthesis analyses show that these clusters are sometimes very young, with ages of a few to a few tens of Myr. Such age information can...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 173, "openalex_id": "", "raw": "Holtzman J. A. et al. 1992, AJ, 103, 691", "source_ref_id": "3f057966072a1493f3ae27e83f2ab356ef54b35a", "start": 0 }, { "arxiv_id": "", "doi": "", "end": 173, ...
10.1111/j.1365-2966.2008.13705.x
0807.1862
An Assessment of Broadband Optical Colours as Age Indicators for Star Clusters
[ "M. Hancock", "B. J. Smith", "M. L. Giroux", "C. Struck" ]
[ "astro-ph" ]
2,008
en
Physics
[ 32238, 38504, 6468, 111, 50796, 10821, 27150, 6057, 234737, 7, 765, 2809, 134053, 173591, 22703, 5134, 90, 390, 70, 53465, 2661, 43045, 10142, 70820, 841, 8545, 16, 15, 13, 5, 177, 4, 6, 136, 91067, 2685, 73, 194, 157890, 1363, 142518, ...
[ 0.08642578125, 0.09722900390625, 0.02374267578125, 0.037506103515625, 0.1641845703125, 0.07855224609375, 0.1904296875, 0.1787109375, 0.302490234375, 0.07391357421875, 0.04852294921875, 0.037750244140625, 0.1756591796875, 0.1669921875, 0.07928466796875, 0.098876953125, 0.059814453125,...
ee92cefcaa18374ce086492ea4606a396a400ad3
subsection
2
15
INTRODUCTION
This suggests that the observed integrated colours of low mass clusters may not be good indicators of age when compared to the integrated colours of a stellar population model with a fully sampled IMF.It is not clear how well a particular set of colours can predict the age of a cluster. Are some colour sets better suit...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 680, "openalex_id": "", "raw": "Gil de Paz A., Madore B. 2002, AJ, 123, 1864", "source_ref_id": "2a919079b784436648289077b48c262bf7ecd7a1", "start": 519 }, { "arxiv_id": "", "doi": "", "end": ...
10.1111/j.1365-2966.2008.13705.x
0807.1862
An Assessment of Broadband Optical Colours as Age Indicators for Star Clusters
[ "M. Hancock", "B. J. Smith", "M. L. Giroux", "C. Struck" ]
[ "astro-ph" ]
2,008
en
Physics
[ 42459, 7, 139999, 71, 78779, 297, 134855, 27226, 46889, 234737, 1543, 959, 4127, 172075, 111, 32070, 154186, 47, 70, 29486, 320, 43904, 3299, 10, 89554, 121413, 131583, 83, 34735, 5299, 17311, 5423, 831, 92054, 11522, 14947, 27060, 4865, 51...
[ 0.06475830078125, 0.058746337890625, 0.1168212890625, 0.0242462158203125, 0.1861572265625, 0.044403076171875, 0.2261962890625, 0.15283203125, 0.1102294921875, 0.2373046875, 0.0592041015625, 0.0684814453125, 0.091552734375, 0.19873046875, 0.0242767333984375, 0.1822509765625, 0.0484619...
d4663f662bb202557447c10d40a3ee6b7a6f8651
subsection
3
15
THE DATA SAMPLE
We started with the set of Galactic open clusters from the WEBDAhttp://www.univie.ac.at/webda/(Web Base Données Amas) database operated at the Institute for Astronomy of the University of Vienna . The WEBDA database contains 379 OCs, with well-determined integrated (U-B), (B-V), (V-R), and (V-I) colours, and colour exc...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 196, "openalex_id": "", "raw": "Mermilliod J.-C. 1995, in “Information and On-Line Data in Astronomy”, Eds D. Egret & M.A. Albrecht (Kluwer Academic Press, Dordrecht), p. 127-138", "source_ref_id": "0873377a53118088e4cd12192...
10.1111/j.1365-2966.2008.13705.x
0807.1862
An Assessment of Broadband Optical Colours as Age Indicators for Star Clusters
[ "M. Hancock", "B. J. Smith", "M. L. Giroux", "C. Struck" ]
[ "astro-ph" ]
2,008
en
Physics
[ 1401, 26859, 678, 5423, 30733, 49086, 9803, 234737, 7, 1295, 73202, 6538, 5, 5980, 15959, 2263, 257, 64, 14051, 85, 30474, 44978, 7650, 733, 90, 8599, 16, 63399, 160404, 71, 70, 43975, 100, 85303, 1687, 53, 111, 12535, 181103, 6, 70541,...
[ 0.0406494140625, 0.1104736328125, 0.06390380859375, 0.108154296875, 0.1439208984375, 0.1575927734375, 0.221923828125, 0.2230224609375, 0.07196044921875, 0.028778076171875, 0.1983642578125, 0.1829833984375, 0.0225830078125, 0.05596923828125, 0.179931640625, 0.031036376953125, 0.105590...
710b8f767e9a8c06bb02fabe89d94dadc2695569
subsection
4
15
THE MODEL CLUSTERS
We used a set of evolutionary synthesis models from the Starburst99 (SB99) code . We used the new v5.1 code, which includes the Padova asymptotic giant branch (AGB) stellar models . The new version accounts for all stellar phases that contribute to the integrated light of a stellar population with arbitrary age from ex...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 81, "openalex_id": "", "raw": "Leitherer C. et al. 1999, ApJS, 123, 3", "source_ref_id": "4f8345632a87fd16f82a951755cf9983b7eca7ee", "start": 0 }, { "arxiv_id": "", "doi": "", "end": 181, ...
10.1111/j.1365-2966.2008.13705.x
0807.1862
An Assessment of Broadband Optical Colours as Age Indicators for Star Clusters
[ "M. Hancock", "B. J. Smith", "M. L. Giroux", "C. Struck" ]
[ "astro-ph" ]
2,008
en
Physics
[ 1401, 11814, 5423, 111, 28, 137089, 6635, 142518, 90, 164, 115774, 1295, 4612, 5992, 271, 5046, 36474, 101655, 18151, 6, 70, 3525, 81, 156627, 4, 3129, 96853, 1342, 45748, 4650, 40934, 9523, 6051, 18, 32845, 206, 8359, 16, 29486, 320, 1...
[ 0.04766845703125, 0.1328125, 0.0791015625, 0.0401611328125, 0.0738525390625, 0.2430419921875, 0.0401611328125, 0.185302734375, 0.05804443359375, 0.04559326171875, 0.228515625, 0.040283203125, 0.102294921875, 0.218994140625, 0.1173095703125, 0.325927734375, 0.13134765625, 0.28491210...
cf2df37d5ecd73276ecc65719c1efb270f472b66
subsection
5
15
DATA ANALYSIS
This study is not intended as a test of the SB99 model's ability to reproduce the colours of young clusters. This has already been demonstrated (see for e.g., ). We intend to test how well various colours and initial model assumptions can recover the ages of well studied Galactic open clusters. In addition to using the...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 161, "openalex_id": "", "raw": "Vázquez G. A., Leitherer C. 2005, ApJ, 621, 695", "source_ref_id": "bec0b84fcc8160190dad988ba8d53f59ba94daa3", "start": 109 }, { "arxiv_id": "", "doi": "", "end...
10.1111/j.1365-2966.2008.13705.x
0807.1862
An Assessment of Broadband Optical Colours as Age Indicators for Star Clusters
[ "M. Hancock", "B. J. Smith", "M. L. Giroux", "C. Struck" ]
[ "astro-ph" ]
2,008
en
Physics
[ 3293, 35187, 83, 959, 179140, 237, 10, 3034, 111, 90944, 5046, 3299, 7, 81273, 42238, 13, 70, 134855, 27150, 234737, 1556, 21771, 2809, 106804, 297, 15, 21231, 100, 28, 5, 177, 4, 6, 150661, 5299, 67842, 136, 61475, 237259, 831, 192026,...
[ 0.02069091796875, 0.1129150390625, 0.037017822265625, 0.08917236328125, 0.0921630859375, 0.006866455078125, 0.16357421875, 0.1434326171875, 0.03662109375, 0.1685791015625, 0.299560546875, 0.21435546875, 0.036834716796875, 0.1280517578125, 0.1640625, 0.0364990234375, 0.03680419921875,...
c1febad63f36acb90e70da47b86c38e3738739ca
subsection
6
15
Predicting Ages
In Figure 2, we plot the predicted ages against the published ages, if only (U-B) and (B-V) are used to estimate the ages. We also provide a histogram showing the distribution of the differences between the predicted and published ages, a plot of the predicted E(B-V)s against the published E(B-V)s, and a histogram show...
{ "cite_spans": [] }
10.1111/j.1365-2966.2008.13705.x
0807.1862
An Assessment of Broadband Optical Colours as Age Indicators for Star Clusters
[ "M. Hancock", "B. J. Smith", "M. L. Giroux", "C. Struck" ]
[ "astro-ph" ]
2,008
en
Physics
[ 360, 55412, 13, 116, 642, 23577, 92054, 297, 10, 4188, 26548, 70, 91376, 4, 2174, 4734, 15, 1062, 9, 571, 16, 136, 856, 621, 11814, 47, 25902, 67, 1401, 2843, 22691, 1919, 18, 83814, 141377, 113068, 111, 60212, 7, 17721, 241, 132, 9...
[ 0.013824462890625, 0.1741943359375, 0.03955078125, 0.099365234375, 0.051849365234375, 0.2152099609375, 0.264404296875, 0.1259765625, 0.1829833984375, 0.226318359375, 0.1571044921875, 0.064453125, 0.234130859375, 0.03973388671875, 0.01165771484375, 0.0802001953125, 0.039642333984375, ...
7977e14d17aaa88d5daa2df8b70e03c2e426f9bb
subsection
7
15
Predicting Ages
This is because we have assumed the maximum uncertainty in measured colours for the OCs. Using the actual uncertainties in integrated colours for this sample would not change the predicted ages but would result in better age constraints. Unfortunately the uncertainties in integrated colours of each of these OCs are not...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1733, "openalex_id": "", "raw": "Anders P., Bissantz N., Fritze-v. Alvensblen U., de Grijs R. 2004, MNRAS, 347,196", "source_ref_id": "4b1e85fa0764cebbd7e3ae002a42bac35a8df71c", "start": 1695 }, { "arxiv_...
10.1111/j.1365-2966.2008.13705.x
0807.1862
An Assessment of Broadband Optical Colours as Age Indicators for Star Clusters
[ "M. Hancock", "B. J. Smith", "M. L. Giroux", "C. Struck" ]
[ "astro-ph" ]
2,008
en
Physics
[ 3293, 83, 6637, 642, 765, 41591, 71, 38132, 51, 106290, 73, 939, 72350, 134855, 7, 70, 91888, 5, 345, 8561, 2449, 23, 78779, 297, 100, 121413, 2806, 959, 15549, 92054, 10, 4188, 1284, 16750, 11522, 32070, 158, 2816, 4288, 185397, 111, ...
[ 0.053619384765625, 0.0287628173828125, 0.05364990234375, 0.012603759765625, 0.0286102294921875, 0.065185546875, 0.028900146484375, 0.1165771484375, 0.098876953125, 0.22802734375, 0.028778076171875, 0.05126953125, 0.1728515625, 0.244140625, 0.0799560546875, 0.040008544921875, 0.211303...
e3bbbc91ce580c3124ffab28f22176376cf6b4de
subsection
8
15
Extinction and Metallicity
The extinction is predicted well by the same colours that predict the age well. For example, using the (U-B) and (B-V) colours we find that 62% of the E(B-V) estimates are within 0.2 mag of the published values. The colour that is the most sensitive to age, (U-B), is once again critical.We get similar numbers of good f...
{ "cite_spans": [] }
10.1111/j.1365-2966.2008.13705.x
0807.1862
An Assessment of Broadband Optical Colours as Age Indicators for Star Clusters
[ "M. Hancock", "B. J. Smith", "M. L. Giroux", "C. Struck" ]
[ "astro-ph" ]
2,008
en
Physics
[ 581, 1119, 2311, 10763, 83, 92054, 297, 5299, 390, 5701, 134855, 450, 32070, 27781, 17368, 70, 1062, 9, 571, 136, 856, 7413, 305, 12807, 111, 241, 132, 25902, 1636, 28032, 126175, 1697, 91376, 142424, 2684, 191125, 24145, 13438, 130306, 2...
[ 0.025390625, 0.1473388671875, 0.2418212890625, 0.16943359375, 0.05084228515625, 0.2249755859375, 0.1126708984375, 0.163330078125, 0.05859375, 0.11962890625, 0.2340087890625, 0.0256805419921875, 0.181640625, 0.04693603515625, 0.03192138671875, 0.011383056640625, 0.104736328125, 0.07...
52e7537e5ab7670870057ef6ffd4b214328b0dd5
subsection
9
15
The Effect of H
The SB99 model colours do not include nebular H\alpha emission. This does not impact our analysis of the integrated colours of the OCs because the stellar components are resolved and no H\alpha is included in either the models or the data. However, this should be considered when models are compared to young unresolved ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 870, "openalex_id": "", "raw": "Smith B. J. et al. 2008, AJ, 135, 2406", "source_ref_id": "77b1ecd630e53a4112fdca6454003ee4ce4b64f5", "start": 768 } ] }
10.1111/j.1365-2966.2008.13705.x
0807.1862
An Assessment of Broadband Optical Colours as Age Indicators for Star Clusters
[ "M. Hancock", "B. J. Smith", "M. L. Giroux", "C. Struck" ]
[ "astro-ph" ]
2,008
en
Physics
[ 90944, 5046, 3299, 134855, 7, 959, 26698, 51799, 35975, 572, 289, 14612, 28, 21150, 24725, 114137, 78779, 91888, 29486, 320, 82761, 103608, 110, 99201, 115774, 2053, 90698, 154186, 27150, 86918, 234737, 22703, 5134, 5072, 209, 2646, 42, 16246...
[ 0.1650390625, 0.310791015625, 0.224365234375, 0.1939697265625, 0.011260986328125, 0.074462890625, 0.086669921875, 0.064453125, 0.160888671875, 0.13134765625, 0.1055908203125, 0.232666015625, 0.0965576171875, 0.189453125, 0.1158447265625, 0.120849609375, 0.1351318359375, 0.172851562...
80f6ea1251245abc09196863d42e6e0a972d6637
subsection
10
15
The Effect of Stochastic Sampling of the IMF
It has been shown that traditional synthesis models usually return the mean value of the integrated stellar population distribution (e.g. , ). While this is correct on average, it is not necessarily correct in individual cases because the mean may not be representative of the actual values. Galactic open clusters are t...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 142, "openalex_id": "", "raw": "Cerviño M., Luridiana V. 2006, A&A, 451, 475", "source_ref_id": "06918600e7ac9ebb0983182e846caf44cd66695e", "start": 0 }, { "arxiv_id": "", "doi": "", "end": 14...
10.1111/j.1365-2966.2008.13705.x
0807.1862
An Assessment of Broadband Optical Colours as Age Indicators for Star Clusters
[ "M. Hancock", "B. J. Smith", "M. L. Giroux", "C. Struck" ]
[ "astro-ph" ]
2,008
en
Physics
[ 1556, 127887, 89160, 142518, 90, 164, 115774, 56104, 30646, 70, 29459, 34292, 78779, 29486, 320, 43904, 113068, 15, 13, 5, 6, 4, 51404, 83, 26785, 98, 83080, 442, 959, 204988, 23, 11651, 1543, 186, 99638, 111, 8561, 142424, 30733, 49086, ...
[ 0.014984130859375, 0.06353759765625, 0.187255859375, 0.2044677734375, 0.123046875, 0.0960693359375, 0.26611328125, 0.1043701171875, 0.1761474609375, 0.0183563232421875, 0.1875, 0.156005859375, 0.1793212890625, 0.15283203125, 0.0966796875, 0.201904296875, 0.219970703125, 0.018646240...
bd3b26c0ab3cb2ce6d9ec937fefe5ceec50375bb
subsection
11
15
The Effect of Stochastic Sampling of the IMF
The scatter appears slightly larger for the fainter samples, with the (B-V) difference being slightly skewed to negative numbers (see Figure 4).Figure 5 shows the differences between the published and model (U-B) and (B-V) colours plotted against the published ages using the same sample as in Figure 4. The measured col...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 764, "openalex_id": "", "raw": "Bruzual A. G. 2002, in IAU Symp. Ser. 207, Extragalactic Star Clusters, ed. D. Geisler, E. K. Grebel, & D. Minniti, 616", "source_ref_id": "279b2605394354b8818cf36121a68b34cbe11ab3", "st...
10.1111/j.1365-2966.2008.13705.x
0807.1862
An Assessment of Broadband Optical Colours as Age Indicators for Star Clusters
[ "M. Hancock", "B. J. Smith", "M. L. Giroux", "C. Struck" ]
[ "astro-ph" ]
2,008
en
Physics
[ 6, 16275, 3055, 135179, 161549, 150679, 100, 70, 1071, 10433, 121413, 7, 4, 571, 9, 856, 16, 60212, 8035, 21177, 24243, 47, 40907, 101935, 15, 21231, 55412, 13, 13956, 6795, 190, 45831, 17721, 91376, 136, 3299, 1062, 134855, 23577, 3674, ...
[ 0.0177001953125, 0.2152099609375, 0.2030029296875, 0.12451171875, 0.1558837890625, 0.158935546875, 0.017669677734375, 0.01776123046875, 0.1861572265625, 0.2183837890625, 0.2100830078125, 0.0177001953125, 0.0177764892578125, 0.1588134765625, 0.11279296875, 0.207275390625, 0.0176849365...
ad5076bab1af2735ba3b8688122b72913ed206f3
subsection
12
15
The Effect of Stochastic Sampling of the IMF
In a follow up paper (Hancock et al., in prep.) we will explore a more detailed analysis of the stellar content of these resolved OCs to further investigate the extent to which stochastic sampling of the IMF affects the integrated broadband colours. If stochastic sampling effects are observationally characterized in th...
{ "cite_spans": [] }
10.1111/j.1365-2966.2008.13705.x
0807.1862
An Assessment of Broadband Optical Colours as Age Indicators for Star Clusters
[ "M. Hancock", "B. J. Smith", "M. L. Giroux", "C. Struck" ]
[ "astro-ph" ]
2,008
en
Physics
[ 28960, 1257, 15122, 66163, 124324, 82, 144, 64503, 1221, 88898, 1286, 185688, 114137, 29486, 320, 10941, 6097, 103608, 71, 91888, 7, 53333, 32603, 192961, 3474, 1436, 28692, 57, 2676, 2069, 131583, 52490, 78779, 297, 134744, 8262, 134855, 426...
[ 0.1068115234375, 0.0767822265625, 0.091796875, 0.06121826171875, 0.17236328125, 0.0462646484375, 0.0604248046875, 0.0802001953125, 0.04052734375, 0.0804443359375, 0.0528564453125, 0.1015625, 0.1292724609375, 0.1671142578125, 0.151611328125, 0.1983642578125, 0.06744384765625, 0.1944...
af6071572898be97a442a9d7a45747fde778ffd6
subsection
13
15
The Effect of Cluster Dissolution
Current stellar population synthesis models do not take into account the effects of cluster dissolution. Mass segregation causes the massive stars to concentrate towards the centre of a cluster while the low-mass stars tend to populate the outer regions. A consequence of mass segregation is that low-mass stars tend to ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 513, "openalex_id": "", "raw": "Baumgardt H., Makino J. 2003, MNRAS, 340, 227", "source_ref_id": "c5f8ace9613f0d6ca6a0683512c057e9cd0a6475", "start": 366 }, { "arxiv_id": "", "doi": "", "end":...
10.1111/j.1365-2966.2008.13705.x
0807.1862
An Assessment of Broadband Optical Colours as Age Indicators for Star Clusters
[ "M. Hancock", "B. J. Smith", "M. L. Giroux", "C. Struck" ]
[ "astro-ph" ]
2,008
en
Physics
[ 114063, 29486, 320, 43904, 142518, 90, 164, 115774, 54, 959, 5646, 3934, 15426, 70, 93425, 111, 234737, 2837, 166589, 5, 74227, 190407, 1363, 113660, 106750, 6057, 7, 142156, 13, 98186, 11698, 10, 12960, 27226, 1510, 17660, 47, 27623, 67, ...
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1c1bc825cb3e3617a95bf410142e0d772510b9d6
subsection
14
15
SUMMARY
We present an empirical assessment of the use of broadband colours as age indicators for unresolved extragalactic clusters and investigate stochastic sampling effects on integrated colours. The population synthesis code Starburst99 and four optical colours were used to estimate how well we can recover the ages of 62 we...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 375, "openalex_id": "", "raw": "Leitherer C. et al. 1999, ApJS, 123, 3", "source_ref_id": "4f8345632a87fd16f82a951755cf9983b7eca7ee", "start": 190 } ] }
10.1111/j.1365-2966.2008.13705.x
0807.1862
An Assessment of Broadband Optical Colours as Age Indicators for Star Clusters
[ "M. Hancock", "B. J. Smith", "M. L. Giroux", "C. Struck" ]
[ "astro-ph" ]
2,008
en
Physics
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5c083eec4d8e858226f4723cae07dfe4e22affab
abstract
0
153
Abstract
We use the theory of pseudo-holomorphic quilts to establish a counterpart, in symplectic Floer homology, to the Gysin sequence for the homology of a sphere-bundle. In a motivating class of examples, this "symplectic Gysin sequence" is precisely analogous to an exact sequence describing the behaviour of Seiberg-Witten m...
{ "cite_spans": [] }
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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94496fadca917918b9d2b6aebeefe73573b26f00
subsection
1
153
Spherically-fibred coisotropic submanifolds
This paper is about the following situation. We are givencompact symplectic manifolds (M, \omega _M) of dimension 2n and (N,\omega _N) of dimension 2(n-k) , where 0\le k \le n; a smooth fibre bundle \rho \colon V \rightarrow N whose typical fibre F is a k-dimensional manifold admitting a Morse function with precisely ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1717, "openalex_id": "", "raw": "D. McDuff and D. Salamon, Introduction to symplectic topology, 2nd edition, Oxford Mathematical Monographs, Oxford University Press, New York, 1998.", "source_ref_id": "972baa0feeddd389d9d298...
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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dc569bc92b0df43c6cd99ba0f3234dd41db03006
subsection
2
153
Spherically-fibred coisotropic submanifolds
Modulo Hamiltonian diffeomorphisms, the infinitesimal deformations are parametrised by H^0(N; \mathcal {H}^1 ) where \mathcal {H}^1 is the local system on N associated with (V, \rho ) with fibres H^1 (\rho ^{-1}(x);).A simple property of fibred coisotropic submanifolds is the following:Proposition 1.1 The graph \wideha...
{ "cite_spans": [] }
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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7eae6b1424d11a342a7d16a10dbb99e968102eeb
subsection
3
153
Statement of results
To ensure that our Floer homology groups and the maps between them are well-defined we impose monotonicity hypotheses on the symplectic manifolds M and N and the Lagrangian correspondence \widehat{V}. A connected symplectic manifold (M,\omega ) is monotone if the the symplectic area homomorphism \pi _2(M)\rightarrow , ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1344, "openalex_id": "", "raw": "Y.-G. Oh, Floer cohomology of Lagrangian intersections and pseudo-holomorphic disks, I, Comm. Pure Appl. Math. 46 (1993), no. 7, 949–993; Addendum, Comm. Pure Appl. Math. 48 (1995), no. 11, 1299–13...
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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aadb80c35c71196f74c9e4657df72f2e2f9c7c98
subsection
4
153
Statement of results
All three terms in the triangle are taken with coefficients in the universal Novikov ring \Lambda _R of a commutative ring R of characteristic 2.Remarks (i) All three maps in the sequence have a definite degree, but since Floer-theoretic gradings are relative, only the horizontal arrow has a straightforward numerical d...
{ "cite_spans": [] }
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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6c356f47f219a2e5f53f4a8e23e36abf5d2ed898
subsection
5
153
Statement of results
One has \operatorname{HF}_*(\mu ) =\operatorname{HF}^*(\mu ^{-1}) and \operatorname{HF}_*(\widehat{V}, (\mathrm {id}\times \mu )\widehat{V})=\operatorname{HF}^*(\widehat{V},\mathrm {id}\times \mu ^{-1}\widehat{V}) (`Poincaré duality'). Conjecture: under Poincaré duality, \rho ^! (for \mu ) corresponds to the adjoint of...
{ "cite_spans": [] }
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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f0e632b9d62472db9c992ce6f82fdb325093903e
subsection
6
153
Examples and corollaries
The basic example of a spherically-fibred coisotropic submanifold is the following.Example 1.10 Let S=S^{2n-1}(r) be a sphere of radius r in (standard symplectic) n. It is coisotropic, and the isotropic leaves are the orbits under the scaling S^1-action; thus the reduced manifold is \mathbb {CP}^{n-1} and the reductio...
{ "cite_spans": [] }
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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040dc28c7c57d23d91fd209299e854f95499233f
subsection
7
153
Examples and corollaries
For further details, see .Example 1.11 Let (M,\omega ) be a compact symplectic manifold, and fix p\in M. Let \widetilde{M\times be a symplectic blow-up of M\times near (p,0). Then the blow-down map \widetilde{M\times \rightarrow M\times followed by second projection defines a degeneration \widetilde{M\times \rightarrow...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 26, "openalex_id": "", "raw": "T. Perutz, Lagrangian matching invariants for fibred four-manifolds: I, Geom. Topol. 11 (2007), 759–828; II, Geom. Topol. 12 (2008), 1461–1542.", "source_ref_id": "673eb0f7278b06a25ad18555c860a...
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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e2c6eca3c979845f6561ed730df6bf80003b7d14
subsection
8
153
Examples and corollaries
On the other hand, if N is positive-dimensional, mas is a weaker assumption than Oh's. Our result implies that if the quantum cap product on N is undeformed, or if e(V)=0, one has \operatorname{HF}_*(\widehat{V},\widehat{V};\Lambda _R) \cong H_*(V;\Lambda _R).Example 1.12 Consider the spherical Lagrangian \widehat{S}=...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1258, "openalex_id": "", "raw": "D. McDuff and D. Salamon, Introduction to symplectic topology, 2nd edition, Oxford Mathematical Monographs, Oxford University Press, New York, 1998.", "source_ref_id": "972baa0feeddd389d9d298...
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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ca30d325e043b35c0ebca91a6669f5dd690ce698
subsection
9
153
Examples and corollaries
Their hypotheses are that m_L^{\min } \ge 2 and that the cohomology ring H^*(L;/2) is generated in degrees \le m_L^{\min } - 1. This, together with our vanishing criterion, has the following corollary.Theorem 1.14 Suppose that the hypotheses of Theorem REF hold, and that H^*(\widehat{V};/2) is generated in degrees \le ...
{ "cite_spans": [] }
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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258390a8428b0e8e2dca1c50948b2bcb438c8d1c
subsection
10
153
Remarks on the proof
One approach to Theorem REF , along the lines of a standard proof of its classical counterpart, would be to study the spectral sequence associated with a natural filtration on \operatorname{CF}_*(\widehat{V}, (\mathrm {id}_{M_-}\times \mu ) \widehat{V}). A generator for this complex projects to a fixed point of \mu , a...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 2139, "openalex_id": "", "raw": "R. Bott and L. Tu, Differential forms in algebraic topology, Graduate Texts in Mathematics, 82. Springer-Verlag, New York-Berlin, 1982.", "source_ref_id": "6eb50d1132a880f6b7bff24143605fffdfe...
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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8694b178356583b075e300248bec2d04042cf251
subsection
11
153
Remarks on the proof
Its natural habitat is the theory of `Lagrangian matching conditions' in the sense of , alias the `quilted' Floer theory of Wehrheim–Woodward . To prove that \Phi is an isomorphism we show that its low-action part defines a linear isomorphism and then fall back on the algebra of -graded complexes. We introduce an algeb...
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0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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7a4edb687e29212c5fa14839088d69f21120c501
subsection
12
153
Remarks on the proof
They focus on circle-bundles appearing as the boundary of a tubular neighbourhood of symplectic hypersurfaces, and proceed by a direct comparison of the `pearl complexes' computing Floer self-homology. The results appear to be similar to ours where both apply, but the motivations, methods and applications are quite dif...
{ "cite_spans": [] }
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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91fae3173c3b9631980e27b7799c2cc8f260c51e
subsection
13
153
Navigation
Section reviews the basic Floer-theoretic constructions, as well as some basic facts about symplectic fibrations. Section , which is largely to blame for the extravagant length of the paper, explains the framework of `Lagrangian matching conditions'. There is more generality here than is really needed, but this framewo...
{ "cite_spans": [] }
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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03144cdd24fca6b0620fa90883b4ebe99aaf7e1b
subsection
14
153
Locally Hamiltonian fibre bundles
Definition 2.1 A locally Hamiltonian fibration (LHF) is a triple (E,p,\Omega ) consisting of a smooth, proper fibre bundle p\colon E \rightarrow B equipped with a closed two-form \Omega \in \Omega ^2(E) which restricts to each fibre E_b as a non-degenerate (hence symplectic) form.An LHF carries a canonical connection ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1024, "openalex_id": "", "raw": "D. McDuff and D. Salamon, Introduction to symplectic topology, 2nd edition, Oxford Mathematical Monographs, Oxford University Press, New York, 1998.", "source_ref_id": "972baa0feeddd389d9d298...
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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6585f692d1bef928b1ff7566c693e1d4dbd5818e
subsection
15
153
Locally Hamiltonian fibre bundles
We can therefore understand F_\Omega through the map (X,Y)\mapsto \kappa _{X,Y}, which is a two-form on B with values in functions on the fibres. One may in particular speak of flat LHFs, meaning those for which F_\Omega =0, or equivalently, those for which the function-valued two-form (X,Y)\mapsto \kappa _{X,Y} on B r...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 400, "openalex_id": "", "raw": "D. McDuff and D. Salamon, Introduction to symplectic topology, 2nd edition, Oxford Mathematical Monographs, Oxford University Press, New York, 1998.", "source_ref_id": "972baa0feeddd389d9d2985...
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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86997b131a9cf741e426888c6f3e1ede6e92eadb
subsection
16
153
Locally Hamiltonian fibre bundles
The monodromies of null-homotopic loops are in fact Hamiltonian automorphisms .Example 2.2 A fundamental example is the mapping torus (\operatorname{T}_\mu ,p_\mu ,\omega _\mu ) of an automorphism \mu \in \operatorname{Aut}(M,\omega ). Here \operatorname{T}_\mu is the quotient of M \times by the relation (\mu (x),t)\s...
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0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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56651c23c079fc9f2ad9c4a8b576aa071ca89272
subsection
17
153
Locally Hamiltonian fibre bundles
The techniques of readily yield the following.Lemma 2.3 A flat LHF (E,p,\Omega ) over the cylinder S^1\times I, with fibre (M,\omega )=(E_{(z,0)},\Omega |_{E_{(z,0)}}), is equivalent to ( T_\mu \times I , p_\mu \times \mathrm {id}, \mathsf {pr}_1^*\omega _\mu + \beta ), where \mu is the monodromy around S^1\times \lbr...
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0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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40dc9633dba869302e86a4594eaaf649d231a223
subsection
18
153
Floer homology for fixed points and Lagrangian intersections
There are two variants of symplectic Floer homology:Floer homology for fixed points of symplectic automorphisms (not necessarily isotopic to the identity); and Floer homology for intersections of Lagrangian submanifolds.The first can be seen as a case of the second, since the Floer homology of an automorphism \phi is ...
{ "cite_spans": [] }
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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8312728b26fd93463675775c5c49044eb55eb4bf
subsection
19
153
Fixed-point Floer homology
Suppose that (T,p,\Omega ) is a LHF (REF ) over a closed oriented 1-manifold Z. We suppose the typical fibre N to be compact and either monotone or strongly negative (see (REF )).To (T,p,\Omega ) we attach its Floer homology \operatorname{HF}(T,\Omega ). When Z is connected, and (N,\omega _N) = (E_z,\Omega |_{E_z}) for...
{ "cite_spans": [] }
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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2cfa4b5eb2426e4b8d4d5dc73f1613f385a5901f
subsection
20
153
Fixed-point Floer homology
When T is non-degenerate, any u\in (T ; J^v), thought of as a path of sections u(s,\cdot ) of T, converges uniformly as s\rightarrow \pm \infty to horizontal sections \nu _\pm \in \operatorname{{H}}(T,\Omega ) . Hence (T; J^v) is partitioned into components (T; \nu _-, \nu _+; J^v). The Conley–Zehnder index \operatorna...
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0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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039974d5845b0a399513118c825c2d95c17c6620
subsection
21
153
Fixed-point Floer homology
But when c_1^{\min }(N)\ge n - 2, this dimension is \le -1 for all \beta with \langle \beta ,[\omega ]\rangle \ge 0, and so {N}^s(T)^l is empty for all l. Since every sphere factors through a simple one, there are then no holomorphic spheres in the fibres of T.We shall need to consider the subset (T; J^v)_q^r \subset (...
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0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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2df734375f059a0b6899a3a943783a933c8f3292
subsection
22
153
Fixed-point Floer homology
We often write \operatorname{HF}(\mu ) instead of \operatorname{HF}(T,\Omega ).\operatorname{HF}(T,\Omega ) is initially defined when Z is connected and the monodromy \mu has non-degenerate fixed points. It is then the homology of a complex \operatorname{CF}(T,\Omega ;J^v), where the underlying \Lambda _{R}-module \ope...
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0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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78a0ea27552a3b446967e5d3bb7d274efcf84415
subsection
23
153
Fixed-point Floer homology
The Conley–Zehnder index \operatorname{ind}\colon (T; \nu _-, \nu _+; J^v)\rightarrow , which coincides with the Fredholm index of the linearisation of the Cauchy–Riemann equation \tilde{J^v} \circ Du = Du \circ i, further partitions (T; \nu _-, \nu _+; J^v) into subsets (T; \nu _-, \nu _+; J^v)^q:=\operatorname{ind}^{...
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0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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f71ddb54f6c271bcfc47d6c27c41f56388404c18
subsection
24
153
Fixed-point Floer homology
Since every sphere factors through a simple one, there are then no holomorphic spheres in the fibres of T.We shall need to consider the subset (T; J^v)_q^r \subset (T; J^v)^q of sections u whose action \operatorname{\mathsf {A}}(u) equals r. We shall also need to divide out by the -action, by translation, on the moduli...
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0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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6b2524fcbb5d772b710b54e2c4f9c1afcb7f1173
subsection
25
153
Lagrangian intersection Floer homology
Suppose that L_0 and L_1 are monotone Lagrangian submanifolds in an (M,\omega _M) which is closed or has convex contact-type boundary. Assume that \min ( m^{\min }_{L_0}, m^{\min }_{L_1})\ge 3. One then has a Lagrangian Floer homology module \operatorname{HF}_*(L_0,L_1)= H(\operatorname{CF}_*(L_0,L_1; J)) over \Lambda ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 324, "openalex_id": "", "raw": "Y.-G. Oh, Floer cohomology of Lagrangian intersections and pseudo-holomorphic disks, I, Comm. Pure Appl. Math. 46 (1993), no. 7, 949–993; Addendum, Comm. Pure Appl. Math. 48 (1995), no. 11, 1299–130...
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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d1a41e04e38052a7e5242caea277e8bdf23f0188
subsection
26
153
Lagrangian intersection Floer homology
This ensures that these moduli spaces are negative-dimensional manifolds, hence empty. The possibility of nowhere-injective discs is ruled out by a lemma of Kwon–Oh and Lazzarini , to the effect that the image of any pseudo-holomorphic disc attached to a Lagrangian contains that of a somewhere-injective disc.Suppose th...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 311, "openalex_id": "", "raw": "D. Kwon and Y.-G. Oh, with an appendix by J.-P. Rosay, Structure of the image of (pseudo)-holomorphic discs with totally real boundary condition, Comm. Anal. Geom. 8 (2000), no. 1, 31–82.", "s...
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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9be1f7d57329de24066b4a96740a4d96a7f76bcb
subsection
27
153
Lagrangian intersection Floer homology
The definition of {P}^{\mathrm {reg}}(M) is slightly more elaborate than in the monotone case: the additional requirements are that the moduli spaces of simple J_t-spheres, somewhere-injective J_0-discs attached to L_0, and somewhere-injective J_1-discs attached to L_1 are all cut out transversely. This ensures that th...
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0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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8946d132a5c78898203b196cf71764627d9bae8d
subsection
28
153
Open manifolds
In Theorem REF we allow (M,\omega ) to have a convex contact-type boundary: thus there is a non-vanishing, outward-pointing vector field X defined near \partial M, satisfying the Liouville condition L_X\omega =\omega . For the purposes of pseudo-holomorphic theory on such manifolds, one imposes a convexity condition on...
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0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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323dc7c0f35c834ef030f8468b71d601c5391711
subsection
29
153
A cobordism category for Lagrangian correspondences
Floer homology groups for Lagrangian correspondences fit into a sort of TQFT, or sigma-model, of a non-standard kind, which we now outline. It could be more accurately described as a (1+1)-dimensional topological field theory coupled to locally Hamiltonian fibrations and subject to `Lagrangian matching conditions'. It ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 437, "openalex_id": "", "raw": "K. Wehrheim and C. Woodward, Functoriality for Lagrangian correspondences in Floer theory, 2007 preprint, arXiv: 0708.2851 [math.SG].", "source_ref_id": "65f2a78e4a4413adf5c96a68af62c154f44eed...
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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6e389a5f28aaaba03824b85703faeb46d1ee428b
subsection
30
153
A cobordism category for Lagrangian correspondences
Define a cycle of LHFs in terms of the following data: an oriented 1-manifold Z \cong S^1 with a finite set of marked points enumerated in cyclic order as (z_1,\dots ,z_l) dividing Z into intervals [z_i,z_{i+1}]; and, for each i\in /l, an LHF (E_i,\pi _i ,\Omega _i) over [z_{i-1},z_i], together with a Lagrangian\Lambda...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1539, "openalex_id": "", "raw": "K. Wehrheim and C. Woodward, Functoriality for Lagrangian correspondences in Floer theory, 2007 preprint, arXiv: 0708.2851 [math.SG].", "source_ref_id": "65f2a78e4a4413adf5c96a68af62c154f44ee...
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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df62111453afc9e2571c0ddd6ceb25519a2d85e6
subsection
31
153
A cobordism category for Lagrangian correspondences
The theory as we shall describe it differs from that of only in some rather minor aspects.We first describe the objects in a cobordism category, {C} (the morphisms will be described later).Definition 3.1 A cycle of Lagrangians, of length l\ge 1, is a sequence of symplectic manifolds \mathsf {M}= (M_1,\dots , M_{l}) tog...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 91, "openalex_id": "", "raw": "K. Wehrheim and C. Woodward, Functoriality for Lagrangian correspondences in Floer theory, 2007 preprint, arXiv: 0708.2851 [math.SG].", "source_ref_id": "65f2a78e4a4413adf5c96a68af62c154f44eedd...
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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5af951f1fba9f0e8f2abad414421fbff68b82f39
subsection
32
153
A cobordism category for Lagrangian correspondences
One has Lagrangian correspondences L_{i,i+1} = (\mathrm {id}\times m_i^{-1}) \Lambda _{i,i+1} \subset (M_i)_- \times \pi _i^{-1}(z_i). Thus one obtains a cycle of Lagrangians (M_i; L_{i,i+1})_{i\in /l}. Conversely, given a cycle of Lagrangians, one can build a cycle of (trivial) LHFs. These constructions are mutually i...
{ "cite_spans": [] }
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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56e9b4afb6d8f8209032cb5e2252896369621363
subsection
33
153
Non-degeneracy
A cycle of Lagrangians L_{i,i+1}\subset (M_i)_-\times M_{i+1} (i\in /l) is called non-degenerate when the product \mathbb {L}:=\prod _{i\in /l }{L_{i,i+1} } (a Lagrangian in \prod _{i\in /l}{(M_i)_-\times M_{i+1}}) meets the multi-diagonal \Delta _l = \lbrace (x_1,x_2, x_2, \dots , x_l,x_l, x_1)\rbrace (another Lagrang...
{ "cite_spans": [] }
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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c71911cea9557115e0ef8d9a5591982325657961
subsection
34
153
Non-degeneracy
A cycle of Hamiltonian chords (\sigma _1,\dots ,\sigma _l) is a sequence of \Omega _i-horizontal sections \sigma _i\colon [z_{i-1},z_i] \rightarrow E_i where (\sigma _{i-1}(z_i),\sigma _i(z_i))\in L_{i-1,i} for each i\in /l. Cycles of Hamiltonian chords are in natural bijection with intersections \mathbb {L}\cap \Delta...
{ "cite_spans": [] }
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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8e592ced480b4b95a825ca2c83ff632ff6d09704
subsection
35
153
Non-degeneracy
Form the fibre productZ= \left( \prod _i{ C^\infty ([0,1]\times M_{i+1}) } \times \mathbb {L} \right)\times _q \Delta _l,and note that transversality of (\prod {\mathrm {id}_{M_i}\times \phi _{H_i}} ) (\mathbb {L}) with \Delta _l is equivalent to (H_1,\dots , H_l) being a regular value of the projection Z\rightarrow \p...
{ "cite_spans": [] }
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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b550461e08d0d510a9982008e22a7e4dcd0c22e1
subsection
36
153
Floer homology from cycles of correspondences
Before turning to the morphisms in the category {C}, we explain how to attach homology groups to objects.Definition 3.4 A compact symplectic manifold (M,\omega ) is normalised monotone if \int _{S^2} {f^*\omega } = 2 \langle f^* c_1(TM,\omega ) , [S^2]\rangle for all smooth maps f\colon S^2\rightarrow M. A compact Lagr...
{ "cite_spans": [] }
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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794ee607198032f0373ccef5fc39894c2c1b3599
subsection
37
153
Floer homology from cycles of correspondences
Let {P}^{\mathrm {reg}} denote those products of t-dependent almost complex structures which induce regular almost complex structures for the pair (\mathbb {L},\Delta _l):{P}^{\mathrm {reg}}(M_1,\dots , M_l;\mathbb {L},\Delta _l ) = \mathrm {pl}^{-1}( {P}^{\mathrm {reg}}(\mathbb {M}; \mathbb {L},\Delta _l)).Lemma 3.5 {...
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0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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ce693f838e0399c3c37fecb3701ae2f995d87bef
subsection
38
153
Floer homology from cycles of correspondences
Say (\beta _i,\gamma _i)\ne 0; then there exist Y_i(t) \in \operatorname{\mathrm {End}}(TM_i) satisfying J_i(t) \circ Y_i(t) + Y_i (t)\circ j and Y_i(1-t)\in \operatorname{\mathrm {End}}(TM_i) satisfying J_i(1-t) \circ Y_i(1-t) + Y_i (1-t)\circ j, such that alsoY_i(t)(\beta _i) \ne Y_i(1-t)(\gamma _i) .Define \mathbb {...
{ "cite_spans": [] }
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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80fc0f7959f41964265e168a11662b4e56e1c04a
subsection
39
153
Floer homology from cycles of correspondences
In particular, when l=2, we have\operatorname{CF}(L_{1,2}\times L_{2,1}, \Delta _2 ) \cong \operatorname{CF}(L_{1,2}, L_{2,1}).A generator for \operatorname{CF}(\mathbb {L},\Delta _l; \mathbb {J}) is an intersection point \left((x_1,x_2), (x_2,x_3),\dots , (x_l,x_1)\right) with (x_i,x_{i+1})\in L_{i,i+1}; we map this t...
{ "cite_spans": [] }
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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19f92dc40ce3084c4d8806fcd7c0fd08a4954196
subsection
40
153
Floer homology from cycles of correspondences
From a cycle of normalised monotone Lagrangian correspondences L_{i,i+1}\subset (M_i)_- \times M_{i+1} between normalised monotone manifolds \lbrace M_i\rbrace _{i\in /l}, we form the product\mathbb {M} = \prod _{i\in /l} { (M_i)_- \times M_{i+1} } = \prod _{i\in / l} { M_i \times (M_i)_-}(also normalised monotone) and...
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0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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76e9f09279fb6c0a3a5019c7c39039c725e5792a
subsection
41
153
Floer homology from cycles of correspondences
The last stage is the following: let u\colon [0,1]\times \rightarrow \mathbb {M} be a non-constant, finite-action (j,\mathbb {J})-holomorphic map satisfying the boundary conditions u(\lbrace 0 \rbrace \times )\subset \mathbb {L} and u(\lbrace 1 \rbrace \times )\subset \Delta _l. Let F\rightarrow [0,1]\times be the bund...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1054, "openalex_id": "", "raw": "A. Floer, H. Hofer and D. A. Salamon, Transversality in elliptic Morse theory for the symplectic action, Duke Math. J. 80 (1995), no. 1, 251–292.", "source_ref_id": "330ac629c47757f030d6dc24b...
0807.1863
A symplectic Gysin sequence
[ "Timothy Perutz" ]
[ "math.SG", "math.GT" ]
2,008
en
Mathematics
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