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7143cd8a4e3a823afd5c20fc860c19f1874e12cb
subsection
18
24
Effect of
REF (a), while two electrons occupying the lowest orbital level do not contribute to the Kondo effect, the other electron causes the SU(2) Kondo effect with spin degrees of freedom. On the other hand, in the configuration described in Fig. REF (b), the SU(4) Kondo effect with spin and orbital degrees of freedom becomes...
{ "cite_spans": [] }
10.1143/JPSJ.77.094707
0807.1780
Three-orbital Kondo effect in single quantum dot system with plural electrons
[ "Tomoko Kita", "Rui Sakano", "Takuma Ohashi", "Sei-ichiro Suga" ]
[ "cond-mat.str-el", "cond-mat.mes-hall" ]
2,008
en
Physics
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e7f05eb8a941aad0f5e4facb21dc47c5f3cd858e
subsection
19
24
With three electrons;
In this subsection, we study the three-orbital Kondo effect with three electrons (n_{tot}=3): The center of the energy levels in eq. (REF ) is \varepsilon _c = -5U/2. It is expected that the Kondo effect occurs for any values of the level-splitting and the Hund-coupling, which significantly differs from the case with t...
{ "cite_spans": [] }
10.1143/JPSJ.77.094707
0807.1780
Three-orbital Kondo effect in single quantum dot system with plural electrons
[ "Tomoko Kita", "Rui Sakano", "Takuma Ohashi", "Sei-ichiro Suga" ]
[ "cond-mat.str-el", "cond-mat.mes-hall" ]
2,008
en
Physics
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5a2a4353e68685c4da14edd928915f642ee59f80
subsection
20
24
Competition between Hund-coupling and level-splitting
Let us now turn to investigate the effect of the Hund-coupling. As mentioned before, the Hund-coupling is competitive to the level-splitting as seen in the singlet-triplet Kondo effect. In particular, we consider the orbital configurations described in Figs. REF (a) and REF (b). We refer to them as type A and type B in...
{ "cite_spans": [] }
10.1143/JPSJ.77.094707
0807.1780
Three-orbital Kondo effect in single quantum dot system with plural electrons
[ "Tomoko Kita", "Rui Sakano", "Takuma Ohashi", "Sei-ichiro Suga" ]
[ "cond-mat.str-el", "cond-mat.mes-hall" ]
2,008
en
Physics
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e40a491ee7e2987a7bbca385b407f5534120176c
subsection
21
24
Temperature dependence
We have carried out our analysis by applying the NCA to even lower temperatures, although this method is valid for temperatures around and higher than the Kondo temperature. In this subsection, we complementally investigate the temperature dependence of transport quantities in the typical parameter region, to confirm t...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1905, "openalex_id": "", "raw": "R. Sakano and N. Kawakami: Phys. Rev. B 73 (2006) 155332.", "source_ref_id": "68d2bc92b2621943af0ba7198689dbb6fe83dda5", "start": 1743 } ] }
10.1143/JPSJ.77.094707
0807.1780
Three-orbital Kondo effect in single quantum dot system with plural electrons
[ "Tomoko Kita", "Rui Sakano", "Takuma Ohashi", "Sei-ichiro Suga" ]
[ "cond-mat.str-el", "cond-mat.mes-hall" ]
2,008
en
Physics
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4a639fe6bffd457e8e3d86167a4c405f0040eddf
subsection
22
24
Summary
We have studied the Kondo effect and transport properties in vertical QD systems with orbital degrees of freedom. By applying the NCA to the three-orbital Anderson impurity model with the finite Coulomb interaction and Hund-coupling, we have investigated the magnetic-field dependence of transport properties, the conduc...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1024, "openalex_id": "", "raw": "S. Amaha, T. Hatano, S. Sasaki, T. Kubo, Y. Tokura, and S. Tarucha: presented at The Physical Society of Japan the 61st Annual Meeting, 2006.", "source_ref_id": "dd1ce3bfde609f3f80836f005bb13...
10.1143/JPSJ.77.094707
0807.1780
Three-orbital Kondo effect in single quantum dot system with plural electrons
[ "Tomoko Kita", "Rui Sakano", "Takuma Ohashi", "Sei-ichiro Suga" ]
[ "cond-mat.str-el", "cond-mat.mes-hall" ]
2,008
en
Physics
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9532fb259400432a78f33f3ead83c3c5155766cf
subsection
23
24
Summary
Comparing our results with the exact values, we have discussed the qualitative behavior at lower temperatures.The similar discussion can be applied to the multiorbital case which has more than three orbital degrees of freedom. The Kondo temperature, the unitary limit and the effective filling contribute significantly t...
{ "cite_spans": [] }
10.1143/JPSJ.77.094707
0807.1780
Three-orbital Kondo effect in single quantum dot system with plural electrons
[ "Tomoko Kita", "Rui Sakano", "Takuma Ohashi", "Sei-ichiro Suga" ]
[ "cond-mat.str-el", "cond-mat.mes-hall" ]
2,008
en
Physics
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73979dcbe3446c8544b73767a5a5c1ce7a9c6c95
abstract
0
1
Abstract
We give an alternative definition of quantum fidelity for two density operators on qudits in terms of the Hilbert-Schmidt inner product between them and their purity. It can be regarded as the well-defined operator fidelity for the two operators and satisfies all Jozsa's four axioms up to a normalization factor. One de...
{ "cite_spans": [] }
10.1016/j.physleta.2008.10.083
0807.1781
An alternative quantum fidelity for mixed states of qudits
[ "Xiaoguang Wang", "Chang-Shui Yu", "X. X. Yi" ]
[ "quant-ph" ]
2,008
en
Physics
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41ca072f65cc84f3111853939319d9ca0bc9c4e9
abstract
0
46
Abstract
For a one-parameter family of general type hypersurfaces with bases of holomorphic n-forms, we construct open covers using tropical geometry. We show that after normalization, each holomorphic n-form is approximately supported on a unique open component and such a pair approximates a Calabi-Yau hypersurface together wi...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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6e391f570abeb7e1a2916f754cc13006eb07422f
subsection
1
46
Introduction
Calabi-Yau manifolds are Kähler manifolds with zero first Chern class. By Yau's theorem , they admit Ricci flat Kähler metrics. They play important roles in String theory as internal spaces. Up to a scalar multiple, there exists a unique holomorphic volume form \Omega \in H^{n,0}\left( Y\right) on any Calabi-Yau manifo...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 127, "openalex_id": "", "raw": "Yau, S-T., On the Ricci curvature of a compact Kähler manifold and the complex Monge-Ampère equation. I, Comm. Pure Appl. Math. 31 (1978), no. 3, 339-411.", "source_ref_id": "7477f1e897d36a83a...
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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5336cd97f19f460fa07f26a541cbc85ec04334bf
subsection
2
46
Introduction
This is not a connected sum decomposition as different U_{i,t}'s can have large overlaps. However, it still enables us to have a proper notion of special Lagrangian fibrations on V_t and study the SYZ transformation along them.If V_{t} is a family of general type hypersurfaces in {{\mathbb {C}}{\mathbb {P}}}^{n+1}, i.e...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1054, "openalex_id": "", "raw": "Fulton, W., Introduction to toric varieties, Annals of Mathematics Studies, 131. The William H. Roever Lectures in Geometry. Princeton University Press, Princeton, NJ, 1993. xii+157pp. ISBN:0-691-0...
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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ee728ba9540344c75dc7f40997645cf940ff4f70
subsection
3
46
Introduction
In this article, we prove the followingTheorem (Main Theorem) For any positive integers n and d with d\ge n+2, there exists a family of smooth hypersurfaces V_t\subset {\mathbb {C}}{\mathbb {P}}^{n+1} of degree d such that V_t can be written asV_t=\bigcup _{i\in \triangle _{d,\mathbb {Z}}^0} U_{i,t}where U_{i,t} is a ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1314, "openalex_id": "", "raw": "Mikhalkin, G., Decomposition into pairs-of-pants for complex algebraic hypersurfaces, Topology 43 (2004) 1035-1065.", "source_ref_id": "4b3e6df8a9e231d9e6090ac237444da5d7c86f38", "start...
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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4d7b76b893c692960c5d8688128f04d040565458
subsection
4
46
Introduction
(In here, we abused the notion of “decomposition" since the open sets U_{i,t} that we obtained in the “decomposition" do overlap even as t\rightarrow +\infty .) Therefore we can speak of special Lagrangian submanifolds in V_{t}.Definition 1.1 Let L_{t}\subset V_{t} be a smooth family of Lagrangian submanifolds. We call...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 993, "openalex_id": "", "raw": "Mikhalkin, G., Decomposition into pairs-of-pants for complex algebraic hypersurfaces, Topology 43 (2004) 1035-1065.", "source_ref_id": "4b3e6df8a9e231d9e6090ac237444da5d7c86f38", "start"...
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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97282afffb886e2ee9a8d8e662f7d8be605d3160
subsection
5
46
Amoebas and Viro's patchworking
Let V^o be a smooth hypersurface in (*)^{n+1}\subset {\mathbb {C}}{\mathbb {P}}^{n+1} or other toric varieties defined by a Laurent polynomialf(z)=\sum _j{a_j}z^j,where j=(j_1,\ldots ,j_{n+1})\in \mathbb {Z}^{n+1} are multi-indices. Recall that the Newton polyhedron \triangle \subset \mathbb {R}^{n+1} of f, or of V^o, ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 586, "openalex_id": "", "raw": "I. M. Gelfand, M. M. Kapranov, A. V. Zelevinsky, Discriminants, resultants, and multidimensional determiniants, Mathematics: Theory & Applications. Birkhäuser Boston, Inc., Boston, MA, 1994.", ...
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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0a9d1ecc26b182a6d6984c7716b4764f331a27ec
subsection
6
46
Amoebas and Viro's patchworking
It is then easy to see that the field K can also be represented by the field of Puiseux series\tilde{b}=\sum _{p\in \tilde{\Lambda _{{b}}}}\tilde{b}_pt^pwith \max \tilde{\Lambda }_p<+\infty and valuation \mbox{val}_K(\tilde{b})=-\max \tilde{\Lambda }_{{b}}.Since e^{-\mbox{val}_K} defines a norm \Vert \cdot \Vert _K on ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 858, "openalex_id": "", "raw": "Einsiedler, M.; Kapranov, M.; Lind, D., Non-Archimedean amoebas and tropical varieties, J. Reine Angew. Math. 601 (2006), 139-157.", "source_ref_id": "0e08f3e8b55297591584c44583ab570eff8ccf52"...
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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e596852bcd58b2f0063a6e6844b313c8d13ca1e4
subsection
7
46
Amoebas and Viro's patchworking
In particular, the interior of a top dimensional face of \Pi _v is given by{F}(j^{(1)},j^{(2)})=\lbrace x\in \mathbb {R}^{n+1}\,:\,l_{v,j^{(1)}}(x)=l_{v,j^{(2)}}(x)>l_{v,j}(x),\, \forall \, j\ne j^{(1)},\, j^{(2)}\rbrace .It was proved in that \Pi _v is a balanced polyhedral complex dual to certain lattice subdivisio...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 378, "openalex_id": "", "raw": "Mikhalkin, G., Decomposition into pairs-of-pants for complex algebraic hypersurfaces, Topology 43 (2004) 1035-1065.", "source_ref_id": "4b3e6df8a9e231d9e6090ac237444da5d7c86f38", "start"...
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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05195cf6c380afac19b2851109a8ba52e583ccb2
subsection
8
46
Maximal dual complex
As we mentioned, it was proved in that \Pi _v is a balanced polyhedral complex dual to certain lattice subdivision of the convex hull \triangle of A in \mathbb {R}^{n+1}. In general, any n-dimensional balanced polyhedral complex \Pi in \mathbb {R}^{n+1} determines a convex lattice polyhedron \triangle \subset \mathbb {...
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0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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0d61594381b0f76248735c4aa251f6a72f5d8023
subsection
9
46
Pairs-of-pants decomposition and stratified fibration
In this subsection, we state the pairs-of-pants decomposition and existence of stratified fibration theorem of Mikhalkin which is the main ingredient of the proof of our results. We start with the definition of pair-of-pants and stratified fibration given in .As in , we denote by \mathcal {H} a union of n+2 generic hy...
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0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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b5caadff5fa11e5952ae4999b884bb42b32d70c5
subsection
10
46
Pairs-of-pants decomposition and stratified fibration
Then for every maximal dual \triangle _d-complex \Pi , there exists a stratified n-fibration \lambda :\, V\rightarrow \Pi satisfyingthe induced map \lambda ^*: H^n(\Pi , \mathbb {Z})\approx \mathbb {Z}^{p_g} \rightarrow H^n(V,\mathbb {Z}) is injective, where p_g=h^{n,0}(V) is the geometric genus of V; for each primit...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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5932c535060f7bd38e7c05d12224b7d5184526ae
subsection
11
46
Key lemma
To prove the main theorem, we need to show the existence of a real valued function v:\triangle _{d,\mathbb {Z}}\rightarrow \mathbb {R}, where \triangle _{d,\mathbb {Z}}=\triangle _{d}\cap \mathbb {Z}^{n+1} and d\ge n+2, such that the corresponding lattice subdivision of \triangle _d dual to the balanced polyhedral comp...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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94bfbd36a9e84bbcf663bc26513cf1d1c4282f2b
subsection
12
46
Proof of the main theorem
In this section, we give the proof of the main theorem. Recall that we are free to use any hypersurface defined by a homogeneous polynomial of degree d of n+1 variables to replace V in order to describe V as a smooth manifold or as a symplectic manifold. The idea of tropical geometry leads us to consider the submanifol...
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0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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f09eeb016ba91b2fd83b57513de418b9359db1e0
subsection
13
46
Proof of the main theorem
Recall that the set of interior lattice points of \triangle _d is exactly equal to p_g=\left( \begin{array}{c} d-1 \\n+1 \end{array} \right) (see for instance ) and note that {F}(i,j)\ne \emptyset only when i and j is connected by an edge in the lattice subdivision of \triangle _d dual to \Pi _v. Then for each i\in \tr...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 298, "openalex_id": "", "raw": "Fulton, W., Introduction to toric varieties, Annals of Mathematics Studies, 131. The William H. Roever Lectures in Geometry. Princeton University Press, Princeton, NJ, 1993. xii+157pp. ISBN:0-691-00...
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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51af78b792f186f0f3a7536e9e1026ad14858d38
subsection
14
46
Proof of the main theorem
Then for all t>0, there exists a basis \lbrace \Omega _{i,t}\rbrace _{i\in \triangle _{d,\mathbb {Z}}^0} of H^{n,0}(V_t), and open subsets {U}^{\wedge }_{i,t} \subset V_t\cap (*)^{n+1} such that for each i\in \triangle _{d,\mathbb {Z}}^0,\mbox{Log}_t({U}^{\wedge }_{i,t}) tends to an n-cycle C^{\wedge }_i such that \lbr...
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0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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e68795aab597c0c64cdfd8627eb47d18b299ff39
subsection
15
46
Proof of the main theorem
This proves the first statement. [Figure: NO_CAPTION]Figure 6: The construction of the neighborhood {C}^{\wedge }_{i,t}.To see the other two statements, we use the well-known fact that on the variety V_{t}, the Poincaré residues of f_t^{-1}dz_1\wedge \cdots \wedge dz_{n+1} define a holomorphic n-form on V_t; and all el...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 491, "openalex_id": "", "raw": "Griffiths, P.; Harris, J., Principles of algebraic geometry,Pure and Applied Mathematics. Wiley-Interscience [John Wiley & Sons], New York, 1978. xii+813pp. ISBN:0-471-32792-1.", "source_ref_i...
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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647f2ce2032dad76813702291cbe22e9300f5bc7
subsection
16
46
Proof of the main theorem
Explicitly, in the region with f_{z_\alpha }\ne 0,\Omega _i & = & (-1)^{\alpha -1}(\log t)^{-n}\frac{t^{-v(i)}z^{i}}{z_1\cdots z_{n+1}}\frac{dz_1\wedge \cdots \widehat{dz_\alpha }\cdots \wedge dz_{n+1}}{f_{z_\alpha }} \\ & = & (-1)^{\alpha -1}(\log t)^{-n}\frac{t^{-v(i)}z^{i}}{\sum _j j_\alpha t^{-v(j)}z^j} \frac{dz_1}...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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f088d445ce57f6f7ac8908e4a377a7c2998a5ad2
subsection
17
46
Proof of the main theorem
Therefore for any compact subset R\Subset \operatorname{Int}({F}(i,j^{(1)})) the terms t^{-v({i})}z^{{i}} and t^{-v(j^{(1)})}z^{j^{(1)}} dominate other terms of f_t in a neighborhood of \lambda ^{-1}(R)\subset V_t\cap (*)^{n+1} in (*)^{n+1} as t\rightarrow +\infty .For each \alpha \in \lbrace 1,\ldots ,n+1\rbrace , the...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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34aa3cd16a2fcd42fcd357d184cf8298703eddb2
subsection
18
46
Proof of the main theorem
Putting the above expression into the definition of \Omega _i and using f=0 on V_t, we have\Omega _i = (\log t)^{-n} \left[ \frac{(-1)^{\alpha -1}t^{-v(i)}z^{i}}{(j^{(1)}_{\alpha }-{i}_\alpha ) t^{-v(j^{(1)})}z^{j^{(1)}}+ \cdots } \right] \frac{dz_1}{z_1}\wedge \cdots \widehat{\left(\frac{dz_\alpha }{z_\alpha }\right)}...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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7bf2fd10d9a3bc3de3ec37227b170f3d0efdb87d
subsection
19
46
Proof of the main theorem
Denote j^{(0)}=i and \zeta _p=t^{-v(j^{(p)})}z^{j^{(p)}} for p=0,\ldots ,n+1. Then0=f(z)=\sum _{p=0}^{n+1} \zeta _p + \cdots ,andz_{\alpha }f_{z_\alpha }&=&\sum _j j_\alpha t^{-v(j)}z^j\\ &=&\sum _{p=0}^{n+1}j^{(p)}_{\alpha } \zeta _p + \cdots \\ &=& j^{(0)}_{\alpha }\left( \sum _{p=0}^{n+1} \zeta _p \right) + \sum _{p...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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29474afba393f0faec5ed92b47fcef154de955e3
subsection
20
46
Proof of the main theorem
We claim that for any b, there exists \alpha \in \lbrace 1,\ldots ,n+1\rbrace such that\lim _{t\rightarrow +\infty }\sum _{p=1}^{n+1}(j^{(p)}_{\alpha }-j^{(0)}_\alpha ) \frac{\zeta _{p}}{\zeta _{0}}\ne 0.In fact, if it is not true, then by taking t\rightarrow +\infty , we have for all \alpha ,\lim _{t\rightarrow +\inft...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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326aa3269bc47ba1e0505b2a309aa894bf0a864c
subsection
21
46
Proof of the main theorem
This completes the proof of the second statement.Finally for the last statement of the theorem, we observe that on any compact subset B\subset {\mathbb {C}}{\mathbb {P}}^{n+1}\setminus {U}^{\wedge }_{i,t}, t^{-v(i)}z^{i} is no longer a dominating term near V_t\cap B and hence \Omega _i \rightarrow 0 locally in B as t\r...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 516, "openalex_id": "", "raw": "Mikhalkin, G., Tropical Geometry and Amoebas, Preprint, 2003.", "source_ref_id": "8cfdf99dc91572d349c5b308e1c0124cdcfff87a", "start": 423 } ] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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9ae3b6a2a2c39432fd946692fc74e71d3f853df6
subsection
22
46
Proof of the main theorem
Then for all t>0, there exists a basis \lbrace \Omega _{i,t}\rbrace _{i\in \triangle _{d,\mathbb {Z}}^0} of H^{n,0}(V_t), and open subsets {U}_{i,t} \subset V_t such that for each i\in \triangle _{d,\mathbb {Z}}^0,\mbox{Log}_t({U}_{i,t}) tends to an n-cycle C_i such that \Pi _v =\bigcup _{i\in \triangle _{d,\mathbb {Z}...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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e8d24042a518f6ac6d96c68f40e159003acf7618
subsection
23
46
Proof of the main theorem
We defineC_i=C_i^{\wedge }\bigcup \left( \bigcup _{s\in \Lambda _i} \overline{\mathcal {U}_{s}} \right),where \mathcal {U}_s is the primitive piece dual to the simplex \sigma _s. [Figure: NO_CAPTION]Figure 7: Illustration of the sets C^{\wedge }_{i} and C_i.Then we clearly have\Pi _v=\bigcup _{i\in \triangle _{d,\mathb...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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21ee7399308e3fcba8580452b97deffba9587c6b
subsection
24
46
Proof of the main theorem
Recall that the lemma REF implies that the subdivision corresponding to v restricts to a lattice subdivision of i-{\i }+\triangle _{n+2}. Consider the truncated polynomial f_{i,t}=\displaystyle \sum _{j \in i-{\i }+\triangle _{n+2}} t^{-v(j)}z^j. This truncated polynomial f_{i,t} factorizes asf_{i,t}= z^{i-{\i }} \sum ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1175, "openalex_id": "", "raw": "Mikhalkin, G., Decomposition into pairs-of-pants for complex algebraic hypersurfaces, Topology 43 (2004) 1035-1065.", "source_ref_id": "4b3e6df8a9e231d9e6090ac237444da5d7c86f38", "start...
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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6156fa0614eba3d6f7b5553c6199266b619f9cbd
subsection
25
46
Proof of the main theorem
This proves the first statement.To see the other two statements, we observe that the limiting behavior of \Omega _{i,t} shows that \Omega _{i,t} is close to the corresponding holomorphic n-form \Omega _{Y_{i,t}} of the Calabi-Yau hypersurface \lbrace {f}^{CY}_{i,t}=0\rbrace =Y_{i,t}\subset {\mathbb {C}}{\mathbb {P}}^{n...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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f346bc6db1a8d3e23e664a1e90b56f2d2ba2b250
subsection
26
46
Proof of the main theorem
In fact, since {f}^{CY}_{i,t}=0 on the hypersurface \lbrace f_{i,t}=0\rbrace , we have\Omega _{Y_{i,t}} & = & (\log t)^{-n} \left[ \frac{(-1)^{\alpha -1}t^{-v(i)}z^{\i }}{z_\alpha ( {f}^{CY}_{i,t})_{z_{\alpha }}} \right] \frac{dz_1}{z_1}\wedge \cdots \widehat{\left(\frac{dz_\alpha }{z_\alpha }\right)} \cdots \wedge \fr...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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20e9abe4afeb84336b25fc2a184177a09ae265d3
subsection
27
46
Proof of the main theorem
In a neighborhood of U_{i,t}\cap \left({\mathbb {C}}{\mathbb {P}}^{n+1}\setminus (*)^{n+1}\right), we consider those open subsets correspond to top dimensional faces. In these open subsets, the polynomial f and f_{i,t} are dominated by exactly two terms t^{j^{1}}z^{j^{(1)}} and t^{j^{2}}z^{j^{(2)}}. Then\frac{\Omega _{...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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ab3e474920a7887b4385536c4ef21a9f3f9a6a7c
subsection
28
46
Proof of the main theorem
Since \Omega _{Y_{i,t}} is the holomorphic volume of the Calabi-Yau hypersurface Y_{i,t}, it is non-vanishing and hence \Omega _{i,t} is also non-vanishing on the whole U_{i,t}.Finally, as U_{i,t}\supset {U}^{\wedge }_{i,t}, the last statement follows immediately from the last statement of the theorem REF This complet...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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5027f9dd12c0e273c120b934c6457700eb7957fc
subsection
29
46
Asymptotically special Lagrangian fibers
From the fibration \lambda given in , for each n-cell e of \Pi _v, there exists a point x\in e such that the fiber \lambda ^{-1}(x) is a Lagrangian n-torus n\subset V which is actually given by \lbrace z\in V_t: \mbox{Log}_t|z|=x\rbrace . Therefore, when restricted to this fiber\left.\Omega _i\right|_{\lambda ^{-1}(x)}...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 239, "openalex_id": "", "raw": "Mikhalkin, G., Decomposition into pairs-of-pants for complex algebraic hypersurfaces, Topology 43 (2004) 1035-1065.", "source_ref_id": "4b3e6df8a9e231d9e6090ac237444da5d7c86f38", "start"...
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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7d0806003046994b54b5fe7b3cc1b5e1fc201c05
subsection
30
46
Hypersurfaces in other toric varieties; the case of curves
It is clear from the works of Mikhalkin , our result can be modified to include other toric varieties such as {\mathbb {C}}{\mathbb {P}}^m\times {\mathbb {C}}{\mathbb {P}}^n. In particular, if we apply our method to curves in {\mathbb {C}}{\mathbb {P}}^1\times {\mathbb {C}}{\mathbb {P}}^1 instead of {\mathbb {C}}{\math...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 174, "openalex_id": "", "raw": "Mikhalkin, G., Decomposition into pairs-of-pants for complex algebraic hypersurfaces, Topology 43 (2004) 1035-1065.", "source_ref_id": "4b3e6df8a9e231d9e6090ac237444da5d7c86f38", "start"...
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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54f520f7f1ed9a29b38560a6af7c2ddc333b0dd6
subsection
31
46
Hypersurfaces in other toric varieties; the case of curves
In summary, we haveTheorem 3.4 For any integer g\ge 1, there is a family of smooth genus g curves V_t of bi-degree (g+1,2) in {\mathbb {C}}{\mathbb {P}}^1\times {\mathbb {C}}{\mathbb {P}}^1, such that V_t can be written asV_t=\bigcup _{i=1}^g U_{i,t}where \lbrace U_{i,t}\rbrace is a family of closed subsets U_{i,t}\su...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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ab93b8673fd3b6e9c924b7d31aafcab1d637fbec
subsection
32
46
Hypersurfaces in other toric varieties; the case of curves
In fact, one shows that there exists a function v:\triangle _{\mathbb {Z}}\rightarrow \mathbb {R} such that \Pi _v is a maximal dual complex of \triangle giving the required subdivision. [Figure: NO_CAPTION]Figure 9: A maximal dual \triangle complex with the required properties.As in the proof of the main theorem, we c...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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ee11bdfa2d4363e478196142934d84eb4b8fd85a
subsection
33
46
Proof of the key lemma
In this section, we prove the lemma REF concerning the dual complex \Pi _v given by the function v:\triangle _{d,\mathbb {Z}}\rightarrow \mathbb {R} defined byv(j)=\sum _{\alpha =1}^{n+1} j_\alpha ^2+\left( \sum _{\alpha =1}^{n+1} j_\alpha \right)^2for j=(j_1,\ldots ,j_{n+1})\in \triangle _{d,\mathbb {Z}}. To simplify ...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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c66c614527756d479f5540396be616109164250e
subsection
34
46
Proof of the key lemma
By assumption, j\ne \pm e_\alpha , e_i-e_j, we have the following strict inequalities from the condition of the lemma{\left\lbrace \begin{array}{ll} \langle i\pm e_\alpha ,x \rangle -v(i\pm e_\alpha ) &< \langle i,x \rangle -v(i) \\ \langle i+e_\beta -e_\alpha ,x \rangle -v(i+e_\beta -e_\alpha ) &< \langle i,x \rangle ...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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48d278c74588b10890b3168275aad2ad037f5211
subsection
35
46
Proof of the key lemma
\end{array}\right.}Therefore,{\left\lbrace \begin{array}{ll} |j_\alpha +j_0|<2,& \forall \,\alpha =1,\ldots , n+1\\ |j_\beta -j_\alpha |<2,& \forall \, \beta \ne \alpha =1,\ldots , n+1. \end{array}\right.}As j_\beta are integers, the first inequality above implies for all \alpha =1,\ldots ,n+1,-1 \le j_\alpha +j_0 \le ...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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a3a97821841c445cadf481f6ae4a6477e86c1fdc
subsection
36
46
Proof of the key lemma
\end{array}\right.}And for those \alpha with i_\alpha +j_\alpha =0, we only have the one-sided inequalityx_\alpha -2(i_\alpha +j_\alpha +i_0+j_0)<2.Hence for \alpha with i_\alpha +j_\alpha \ge 1, we still have|j_\alpha +j_0|<2.However, for \alpha with i_\alpha +j_\alpha =0, we only have-2<i_\alpha +j_0.Since i+j\in \pa...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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16414529d71bda9bd3ea2f794d2105fa7493b6c1
subsection
37
46
Proof of the key lemma
Then for all \alpha , i+j+e_\alpha =e_\alpha \in \triangle _{d,\mathbb {Z}}. The condition of the lemma implies\langle i+j+e_\alpha , x \rangle -v(i+j+e_\alpha )<\langle i+j, x\rangle -v(i+j).So x_\alpha <v(e_\alpha )=2 for all \alpha . On the other hand, the condition of the lemma gives the equality\langle i+j, x \ran...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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3d13bd80b197646eea2d2ca462711711f1535cf0
subsection
38
46
Proof of the key lemma
Similar argument impliesx_\gamma -x_\alpha -2(i_\gamma +j_\gamma -i_\alpha -j_\alpha )<2provided i_\alpha +j_\alpha \ge 1 and \gamma \ne \alpha .The second inequality together with|x_\gamma -x_\alpha -2(i_\gamma -i_\alpha )|<2imply-2<x_\gamma -x_\alpha -2(i_\gamma -i_\alpha )<2+2(j_\gamma -j_\alpha ).That isj_\alpha <2...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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398d8f8d9e97368e1b84e9bd7579c8943ff65efd
subsection
39
46
Proof of the key lemma
This proved the Case 2 and the proof of Step 3 is completed.Step 4: Either j\in \lbrace y\in \mathbb {R}^{n+1}:y_\beta =0\rbrace \cap \partial \triangle _d\cap \mathbb {Z}^{n+1} for some \beta and i+j \in \lbrace y\in \mathbb {R}^{n+1}:y_\alpha =0\rbrace \cap \partial \triangle _d\cap \mathbb {Z}^{n+1} for some \alpha ...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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fcd1e1cdd1f0b1a4185171fbfd240582fdae7670
subsection
40
46
Proof of the key lemma
Then i+e_\alpha \in \triangle _{d,\mathbb {Z}} and hencex_\alpha -2(i_\alpha +i_0)<2\quad \forall \,\alpha .Since we also have i+j-e_\alpha \in \triangle _{d,\mathbb {Z}}, we get-2<x_\alpha -2(i_\alpha +j_\alpha +i_0+j_0).These implyj_\alpha +j_0<2,\quad \forall \, \alpha .Summing over \alpha implies j_0<2. So j_0\le 1...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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c2d4ea62adcc884003091646ac6ad0d5647633c3
subsection
41
46
Proof of the key lemma
Together with j_0=0, we conclude that j=0 which is a contradiction.So we must have j_\gamma \le 0 for all \gamma with i_\gamma \le 1. Then j_\alpha -j_\gamma <2 impliesj_\alpha <2,\quad \forall \, \alpha \mbox{ with }i_\alpha =0.Thereforej_\alpha \le 1,\quad \forall \,\alpha \mbox{ with }i_\alpha =0.On the other hand, ...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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bd000e7ce8fc3e192794497a8e96f9bb5ef014dd
subsection
42
46
Proof of the key lemma
This proves the Step 5.Completion of the proof of the lemma: By Step 5, if there exists x\in \mathbb {R}^{n+1} satisfying the condition of the lemma, then i and i+j belong to \lbrace y\in \mathbb {R}^{n+1}\,:\, y_\beta =0\rbrace \cap \triangle _{d,\mathbb {Z}} for some \beta . This reduces the argument to one lower dim...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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7aa1a988c02c3df003988b8ec57690febfce9dce
subsection
43
46
Proof of the key lemma
Since the proposition is clearly true for 1-dimension, induction implies the lemma holds.Lemma 4.2 For any i\in \triangle _{d,\mathbb {Z}}, there exists at most n+1 elements j_{\gamma }\in \lbrace \pm e_\beta , e_\beta -e_\alpha \rbrace _{\beta \ne \alpha } with j_{\gamma _1}+j_{\gamma _2}\ne 0 such that there exists ...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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d886d6880650e15d10ffe20840b38393c5b3b656
subsection
44
46
Proof of the key lemma
Therefore, each \beta =1,\ldots , n+1 can appeared once in the set \lbrace j_{\gamma }\rbrace and this completes the proof of the lemma.Proof of the key lemma REF : It is clear from the lemmas REF and REF , the balanced polyhedral complex \Pi _v corresponding to v(j)=\displaystyle \sum _{\beta =0}^{n+1}j_\beta ^2 is a ...
{ "cite_spans": [] }
0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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1fb871d26a645dc78ab4e225016937a42f78c32b
subsection
45
46
Appendix: Definition of balanced polyhedral complex
In this appendix, we state the Mikhalkin's definition of a balanced polyhedral complex for reader's reference.Definition 5.1 A subset \Pi \in \mathbb {R}^{n+1} is called a rational polyhedral complex if it can be represented as a finite union of closed convex polyhedra (possibly semi-infinite) called cells in \mathbb {...
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0807.1784
Calabi-Yau components in general type hypersurfaces
[ "Naichung Conan Leung", "Tom Y. H. Wan" ]
[ "math.AG", "math.SG" ]
2,008
en
Mathematics
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8609cf60d7ca9acb07505d40c29d85372a0196d5
abstract
0
26
Abstract
The motion of a particle near the Reissner-Nordstrom black hole horizon is described by conformal mechanics. In this paper we present an extended one-dimensional analysis of the N=4 superconformal mechanics coupled to n copies of N=8, d=1 vector supermultiplets. The constructed system possesses a special Kahler geometr...
{ "cite_spans": [] }
10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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8ad22834022ae0aab0a87f79a24ad07acaf24924
subsection
1
26
Introduction
Recently, the supersymmetric one dimensional theories appeared in the two different but related four-dimensional systems. Firstly, in  it was established connection between black holes and conformal mechanics . Geodesic motion of a particle near the horizon of an extreme Reissner-Nordström black hole was shown to be re...
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10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
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Physics
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487ef12f12d02f04ce2c40e871c26f757fd1557c
subsection
2
26
N=8 vector supermultiplet and BH potential
In this Section we demonstrate how the bosonic sector of the most general action for n-vector N=8, d=1 supermultiplets reproduces the main part of the BH action , (with the supergravity sector being switched off). The constructed action contains the effective “black hole potential” initially introduced in . We also exp...
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10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
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Physics
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609063a5d586de1bbc786650b5b76903f0a00990
subsection
3
26
N=8 vector supermultiplet and BH potential
All relevant notations and definitions are given in appendix A.This action is notable for the fact that its bosonic part contains the well-known effective black hole potential \displaystyle S_{bos}=\int dt\left[ \rule {0pt}{1.2em} M_{AB} {\dot{z}}{}^A {\dot{\bar{z}}}{}^B - V(p,q,z,\bar{z})\right],\quad V=\frac{1}{16}\l...
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10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
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Physics
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af2d6a6cfcc91df8c4f082e8c9d03057eb4f7222
subsection
4
26
N=8 vector supermultiplet and BH potential
The auxiliary components X^A and Y^A of the vector supermultiplet are not completely independent, but subjected to the constraints (REF ):\frac{\partial }{\partial t} \left( X^A-{\overline{\strut Y}}\,{}^A \right) = 0,while the rest four auxiliary bosonic components Y^{a\alpha } are expressed, as a consequence of their...
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10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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dcc8ab09c042bc13dfe2e8ae2d55b15b2e9df437
subsection
5
26
N=8 vector supermultiplet and BH potential
Substituting all these into the action (REF ) we getS_{bos} = \int dt \left[ M_{AB}\;{\dot{z}}{}^A {\dot{\bar{z}}}{}^B +\frac{1}{16} M_{AB}\left( {\dot{\Upsilon }}{}^A {\dot{\Upsilon }}{}^B -p^A p^B +c^A c^B\right) + \frac{1}{8}\;N_{AB}\;p^A{\dot{\Upsilon }}{}^B\right],whereM_{AB} = F_{AB}+{\overline{\rule {0pt}{0.8em}...
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10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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4df2df228d99e2fcce9f0ff72d8fd7aa4ff0be37
subsection
6
26
The vector supermultiplet in
The simplest way to introduce the interaction with the N=4 conformal supermultiplet is to use N=4 superfields. So, let us discuss how the N=8 vector supermultiplet is formulated in N=4 superspace.As a first step, we identify the SU(2) indices a and \alpha and introduce the following set of covariant derivatives constru...
{ "cite_spans": [] }
10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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728f7afb1dde8d363ea9bed246ab7078ee0bcea5
subsection
7
26
The vector supermultiplet in
Therefore, all components of the vector supermultiplets are contained in the N=4 superfields u and \phi depending on \theta _a-i\bar{\vartheta }_a and \bar{\theta }{}^a-i\vartheta ^a only:u=U\rule [-0.5em]{0.4pt}{1.6em}_{\,\vartheta =i\bar{\theta },\bar{\vartheta }=i\theta }, \qquad \phi =\Phi \rule [-0.5em]{0.4pt}{1.6...
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10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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4bc616179e249eb29bf95c6bfbc7cb63ef90f033
subsection
8
26
The vector supermultiplet in
In the next Section we will consider N=4 superconformal multiplet and will couple it to the black hole action.To close this Section let us note that the equations (REF ) and (REF ) explicitly break the evident U(1) symmetry realized as\delta D^a = i\alpha D^a, \quad \delta {\overline{\strut D}}{}_a = -i\alpha {\overlin...
{ "cite_spans": [] }
10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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c5a2aee61899f3ffb75a6298bee185437a45d4f8
subsection
9
26
Maintaining N=4 superconformal symmetry
In this Section we are going to couple the effective black hole action (REF ) to the N=4 superconformal multiplet. In one dimension the most general superconformal group is D(2,1;\alpha ) one . Here we restrict our consideration by the special case with \alpha =-1 which corresponds to SU(1,1|2) symmetry. This superconf...
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10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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fc9b2d642c18bbdcdaf72213b467c55dcb51bc85
subsection
10
26
Maintaining N=4 superconformal symmetry
Therefore, to maintain SU(1,1|2) invariance, one has to introduce the super-dilaton — N=4, d=1 superfield \tilde{u} which transforms as follows\delta {\tilde{u}} = \partial _t E.It is known for a long time  that the super-dilaton has to be further constrained by the conditionsD^2 Y = {\overline{\strut D}}{}{}^2 Y = \le...
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10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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bd9c3f194fafea0801beccb22e20522dcfa11bac
subsection
11
26
Maintaining N=4 superconformal symmetry
Therefore, the superconformally invariant black hole action readsS=-\int dt d^2 \theta d^2 \bar{\theta }\;Y\;\left[ \log {Y}+ {\cal F}\left( \frac{u^A}{Y}+i\phi ^A \right) + \overline{\strut \cal F}\left(\frac{u^A}{Y}-i\phi ^A\right)\right],where the N=4 superfields are constrained by the conditions (REF ),(REF ) and (...
{ "cite_spans": [] }
10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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a24e4f145e08319886c508662c7d26b7f0b99fc3
subsection
12
26
Field content of the supersymmetric black hole action
To find the components action one has to integrate over the Grassmann variables in the superfield action (REF ), remove the auxiliary components through their equations of motion and perform the dualization in a way discussed in the previous sections. Before presenting the component action let us define the physical bo...
{ "cite_spans": [] }
10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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b70d40e3ae7f0b4485a174ca73a8f54f68ee4f06
subsection
13
26
Field content of the supersymmetric black hole action
Being integrated over the Grassmann variables, the expression (REF ) acquires the following form\begin{array}{l} \displaystyle S = \int dt \left[ \frac{1}{y}\, {\dot{y}}{}^2 + y M_{AB} {\dot{z}}{}^A \dot{\bar{z}}{}^B - \frac{1}{y}\, V(p,q,z,\bar{z}) \right.\\ \displaystyle \phantom{\displaystyle S = \int dt \left[ \rig...
{ "cite_spans": [] }
10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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cbc120ce681e8ff10d9bde656ed294e336fd2308
subsection
14
26
Field content of the supersymmetric black hole action
The dots stand for four-fermionic terms; they do not depend on the charges p^A, q_A and since their explicit form is not too illuminated, they are written down only in the Hamiltonian.The explicit form of the on-shell action (REF ) together with the N=4 supersymmetry transformations (REF ), (REF ) provides all ingredie...
{ "cite_spans": [] }
10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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9514d5ea3df6d00e942808102d5f6e2f7f05b489
subsection
15
26
Field content of the supersymmetric black hole action
The rest of the calculations goes straightforwardly, so we omit all details and present the final results.The non-vanishing Dirac brackets between the canonical variables read&& \left\lbrace y, {\cal P}_y\right\rbrace =1, \; \left\lbrace z^A, {\cal P}_B\right\rbrace =\delta ^A_B,\; \left\lbrace {\bar{z}}{}^A,{\bar{{\ca...
{ "cite_spans": [] }
10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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e24dddbcadbdc33024c4b210ac9da1b743e8db8a
subsection
16
26
Field content of the supersymmetric black hole action
\end{array}The supercharges \mathbb {Q} form N=4 superalgebra\left\lbrace {\mathbb {Q}}^a ,\bar{\mathbb {Q}}_b\right\rbrace =2i\delta ^a_b {\mathbb {H}}, \qquad \left\lbrace {\mathbb {Q}}^a ,{\mathbb {Q}}_b\right\rbrace = \left\lbrace \bar{\mathbb {Q}}^a ,\bar{\mathbb {Q}}_b\right\rbrace = \left\lbrace {\mathbb {H}}, ...
{ "cite_spans": [] }
10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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851f3f44194c248a307f7fcc703ab7376e5ab468
subsection
17
26
Field content of the supersymmetric black hole action
\end{array}The highlighted structure of the supercharges {\mathbb {Q}}^a,\bar{\mathbb {Q}}_a is not accidental.
{ "cite_spans": [] }
10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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7c2dab63b043768437b300f76e2b90f3ab6ad08c
subsection
18
26
Field content of the supersymmetric black hole action
One may check that each set of the sub-supercharges Q^a,{\bar{Q}}_b, {\cal Q}^a,\bar{\cal Q}_b and {\cal S}^a,\bar{\cal S}_b independently forms N=4 superalgebra\left\lbrace Q^a,{\bar{Q}}_b\right\rbrace =2i\delta ^a_b H, \quad \left\lbrace {\cal Q}^a,{\bar{\cal Q}}_b\right\rbrace =2i\delta ^a_b{\cal H}, \quad \left\lbr...
{ "cite_spans": [] }
10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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7cf016eb8a4e893ad36cc899b99a255266b57ff4
subsection
19
26
Field content of the supersymmetric black hole action
\end{array}As it was mentioned above, the supercharges Q^a,{\bar{Q}}_b are recognized as the supercharges of one dimensional N=4 superconformal mechanics , , while the mutually anticommuting supercharges {\cal Q}^a and {\cal S}^a span N=8 superalgebra with vanishing central charge , . Thus, coupling of the vector super...
{ "cite_spans": [] }
10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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30961a8d493d4cf119c4d353cee42977b528b1a4
subsection
20
26
Black hole potential modification
From the point of view of the superconformal group SU(1,1|2), the superconformal multiplet is defined as an exponential of the dilaton superfield \tilde{u}. The covariance with respect to the superconformal transformations fixes the irreducibility constraints to be (REF ). Really speaking, these constraints may be slig...
{ "cite_spans": [] }
10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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25322161bab5c28f295e49418c54d2d65ae249e1
subsection
21
26
Black hole potential modification
The dualization goes the same way as it is described in the previous section: one should declare the auxiliary field X^A be a constant (again, due to U(1) arguing, it has to be an imaginary one), while the field Y^A be split on the real and imaginary partsX^A = i p^A,\quad {\overline{\strut X}}{}^A = - i p^A, \quad Y^A...
{ "cite_spans": [] }
10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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ff06dcb0d0d68fcfafcbcd51f09e6ae27cad5b92
subsection
22
26
Conclusion
In this paper we analyzed a system constructed by coupling of n-copies of N=8, d=1 vector supermultiplets to N=4 superconformal one. The N=4 superconformal symmetry uniquely fixes the resulting action. We demonstrated that the electric and magnetic charges, presenting in the “effective black hole” action  appear as a r...
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10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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5148781d2e5c4d3e255a130b059cba253d94f1c5
subsection
23
26
Appendix
The natural framework to describe N=8 vector supermultiplet is the N=8, d=1 superspace \mathbb {R}^{1|8}\mathbb {R}^{1|8}=(t,\theta ^{ia},\vartheta ^{i\alpha })\,,\qquad \left(\theta ^{ia}\right)^\dagger =\theta _{ia}\,,\qquad \left(\vartheta ^{i\alpha }\right)^\dagger =\vartheta _{i\alpha }\,,where i,\,a,\,\alpha =1,\...
{ "cite_spans": [] }
10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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b45ec65cb1a6cd7b169defe3f641823748cc16b6
subsection
24
26
Appendix
SU(2) metric is given by the skew-symmetric tensor\epsilon _{ij} \epsilon ^{jk}=\delta _i^k,\qquad \epsilon _{12} = \epsilon ^{21} =1.In superspace \mathbb {R}^{1|8} we define covariant spinor derivatives satisfying the following superalgebra\left\lbrace D^{ia},D^{jb}\right\rbrace =2i\epsilon ^{ij}\epsilon ^{ab}\partia...
{ "cite_spans": [] }
10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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145f60fa94a0425b9c3bebcb1c1a7d55e044235a
subsection
25
26
Appendix
The bosonic auxiliary components X and Y are subjected, in virtue of (REF ), to the additional constraints\frac{\partial }{\partial t} \left( X-{{\overline{\strut Y}}\,{}}\right)=0,\quad \frac{\partial }{\partial t} \left( {{\overline{\strut X}}{}}- Y\right)=0.Simple component counting gives that we have two physical b...
{ "cite_spans": [] }
10.1103/PhysRevD.78.125001
0807.1785
N=4 Superconformal Mechanics and Black Holes
[ "S. Bellucci", "S. Krivonos", "A. Shcherbakov", "A. Sutulin" ]
[ "hep-th" ]
2,008
en
Physics
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faae800e467349fda7d1f98eb6cfd74804fc5844
abstract
0
19
Abstract
Aims: The TeV BL Lac object Markarian 501 is a complex, core dominated radio source, with a one sided, twisting jet on parsec scales. In the present work, we attempt to extend our understanding of the source physics to regions of the radio jet which have not been accessed before. Methods: We present new observations o...
{ "cite_spans": [] }
10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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24ddc989cc35fb2a4e4f23a723155218d35be8c9
subsection
1
19
INTRODUCTION
The study of extragalactic radio jets is an important area in astrophysics. In radio loud sources, jets contribute a large fraction of the total radiated power, and sustain the formation of energetic kiloparsec scale lobes. While observational properties of jets are widely differentiated, they are present in high and l...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 663, "openalex_id": "", "raw": "Giovannini, G., Cotton, W.D., Feretti, L. et al. 2001, , 552, 508", "source_ref_id": "5ce6dc29265bf7a836fdfb17fd9e03bd19c70ce5", "start": 224 }, { "arxiv_id": "", "do...
10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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9a4fcf488ba6b8c32e9d1ae15954be0da2ba7486
subsection
2
19
INTRODUCTION
Thanks to its proximity and brightness, Mrk 501 is an ideal laboratory for experiments using these advanced VLBI techniques: it is at z = 0.034 (1 mas = 0.67 pc, using H_0 = 70 km s^{-1} Mpc^{-1}); the total flux density at 5 GHz is S_5 = 1.4 Jy; the Schwarzschild radius for its central black hole is estimated around 1...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 409, "openalex_id": "", "raw": "Rieger, F. M. & Mannheim, K. 2003, , 397, 121", "source_ref_id": "67d3ade5d496cdb8cefd25a1e2826757d4205250", "start": 0 } ] }
10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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07b79e7ebec32656b3c8b804647c9b732da1ec34
subsection
3
19
High Sensitivity Array observations
We observed Mrk 501 with the HSA at 1.4 GHz on 26 Nov 2004. The HSA is obtained by combining in the same array the 10 VLBA antennas and other sensitive elements, i.e. the Green Bank Telescope (GBT, 100 m.), the phased VLA (27 \times 25 m.), Arecibo (300 m.), and Effelsberg (100 m.). Even without Arecibo, whose declinat...
{ "cite_spans": [] }
10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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3cb7d35da1ee138a924e71c1b75da91059b59bdd
subsection
4
19
Global mm-VLBI observations
Millimeter VLBI permits a much higher angular resolution than ground or space based VLBI at centimeter wavelengths. Moreover, it offers the possibility to study emission regions which appear self-absorbed at longer wavelengths, with important consequences for our understanding of the physical processes in AGNs in the v...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 553, "openalex_id": "", "raw": "Krichbaum, T. P., Agudo, I., Bach, U., Witzel, A., & Zensus, J. A. 2006a, Proceedings of the 8th European VLBI Network Symposium. PoS(8thEVN)002", "source_ref_id": "7bbcb5040ff51db6387627a0314...
10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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0983750a0659dc74ab064e97d6a0f967e0011f16
subsection
5
19
The kpc scale structure
On kiloparsec scales, Mrk 501 is core dominated with a two sided extended structure visible as well, extending in PA \sim 45^\circ for more than 30 on both sides of the core , , . It is straightforward to identify this structure with the symmetric extended emission characteristic of a radio galaxy and to infer an orien...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 180, "openalex_id": "", "raw": "Ulvestad, J. S., Johnston, K. J. & Weiler, K. W. 1983, ApJ, 266, 18", "source_ref_id": "d7556790ed979f42ab0ab7208a3ae9ff6720ce1d", "start": 0 }, { "arxiv_id": "", "do...
10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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f8a223e7b58bf8c5946a287efa99be9c16ac5a0c
subsection
6
19
The extended jet
We obtain a detailed look at the jet of Mrk 501 from the deep VLBI observations with the HSA. We show in Fig. REF a tapered image, where baselines longer than 18 M\lambda have been significantly down-weighted to increase the signal to noise ratio of the low-surface brightness emission. We achieve a 1\sigma r.m.s. of \s...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 2680, "openalex_id": "", "raw": "Baum, S. A. et al. 1997, , 483, 178", "source_ref_id": "2b0817591581bc12e60da8e03b6e0da3cf4af9f3", "start": 2486 } ] }
10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
[ 113054, 185688, 6713, 55, 18, 111, 8414, 92, 836, 418, 53894, 6, 92414, 16312, 150556, 7, 678, 572, 6703, 7639, 23, 119895, 9069, 919, 62690, 2822, 29569, 4, 7440, 3647, 59801, 51713, 3501, 543, 276, 6492, 85, 765, 2809, 207583, 7565, ...
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2f410ae1b407348f67484bb95d69df50de3f719a
subsection
7
19
The extended jet
A boxcar filter (50 mas) has been applied to smooth the data atr>50 mas.]We derived brightness profiles across the jet using the AIPS task SLICE on the tapered HSA image for the extended jet, obtaining one slice every 5 mas in PA=-56^\circ . Using the AIPS task SLFIT, we fitted single Gaussian components to each profil...
{ "cite_spans": [] }
10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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b111c500ca6d5472d0b38f9ac4a35862ba6f1c49
subsection
8
19
The core and inner jet structure
In Fig. REF , we show our Global mm-VLBI Array image of Mrk 501 at a resolution of 110 \mu as \times \, 40 \, \mu as (beam FWHM, PA -8^\circ ). Mrk 501 is clearly detected at 3 mm and it is dominated by a compact, prominent component, \sim 45 mJy beam^{-1} peak brightness. The visibility data suggest that there is a fa...
{ "cite_spans": [] }
10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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2c8bc62f48b76c1237dc16dcd90be24246b8314f
subsection
9
19
The core and inner jet structure
We then use our deconvolved size of this component to give an upper limit to the dimension of the jet base, and a lower limit to its brightness temperature. At z=0.034, 1 mas = 0.67 pc, therefore the deconvolved angular size of the GMVA core corresponds to 0.021 \times 0.032 pc. The black hole mass for Mrk 501 is estim...
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10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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e8bf6c6caff97fa2b9d74fa3025712ddd685c39f
subsection
10
19
The core and inner jet structure
This implies that the turnover frequency at \sim 8 GHz is related to the whole structure and not to the 86 GHz core, whose self-absorption peak is probably located at higher frequency.We also plot in Fig. REF (dashed line) the difference between the total single dish flux density and the VLBI core one. Apart from some ...
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10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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4045d7ce60b9075948dc7013fe2f668dde52f078
subsection
11
19
Polarization
In polarized intensity, previous VLBI observations of Mrk 501 have revealed flux densities of a few milliJansky, i.e., a few percent of the total intensity . Our new HSA observations confirm the presence of a significant fraction of polarized flux and reveal interesting details (see Figs. REF and REF ). The total flux ...
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10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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ff5bc223fa8d7d8fea719b85891554fa3b692e05
subsection
12
19
DISCUSSION
In §, we have presented our main new results about the core and jet of Mrk 501. We now discuss their relevance for our understanding of the physics of this source and of AGNs and jets in general.
{ "cite_spans": [] }
10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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a5d10f4a68eb406b1885e548e17fefe8d8b5d412
subsection
13
19
The inner core: radio core spectrum and GMVA structure
The nuclear region of Mrk 501 consists of (1) an unresolved component: the radio `core', point-like at our resolution (deconvolved size smaller than \sim 30 \times 20 \, \mu as or 0.020 \times 0.014 pc or 200 \times 140 R_S), and (2) a faint resolved jet-like structure with a large opening angle, similar (taking into a...
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10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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295784d247e15027f31b7f7dc66000a55aec15d8
subsection
14
19
Jet structure and polarization
Limb brightening in the jet of Mrk 501 seems to be present on scales as small as 0.1 mas, but also after the two main bends at \sim 2 and \sim 20 mas, where the jet has significantly expanded transversely. Under a given viewing angle, different Doppler factors can arise from different velocities; therefore, a common ex...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 781, "openalex_id": "", "raw": "Hardee, P. E. 2007, , 664, 26", "source_ref_id": "276fa6c00d997c5f9fe21e3a08f9973f854bb621", "start": 467 }, { "arxiv_id": "", "doi": "", "end": 781, "ope...
10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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652d1e0faf16ab1ff92a32cf6d74fc6502f4d4e3
subsection
15
19
Jet structure and polarization
Because of different frequency and resolution, a comparison of the datasets is not obvious; one can assume that the difference in the polarization vector orientation is mainly due to Faraday Rotation or that at 1.4 GHz the dominant polarized flux is from the jet inner spine, and this polarized flux has vectors oriented...
{ "cite_spans": [] }
10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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869eb1b96d0354be23a63c6ca4c87c97278908a2
subsection
16
19
Jet velocity and orientation
Our results show that the jet in Mrk 501 is characterized by different properties on the various scales from a few hundreds to several millions Schwarzschild radii. The jet orientation and velocity, and the ratio between spine and shear contributions must significantly change over these scales. It is therefore impossib...
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10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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a686d84046f828b77425959ed96db2477b567b67
subsection
17
19
Jet velocity and orientation
Only in the case of the smallest viewing angle (i.e. \theta = 5^\circ ) the jet velocity falls off rapidly after the main jet bend; in the extended part of the jet, narrow viewing angles are therefore not acceptable. However, it is possible that the jet is more closely aligned in its inner part and then it becomes orie...
{ "cite_spans": [] }
10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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51e00ffd536860b8cb45089ea3b9a9989ea00e94
subsection
18
19
CONCLUSIONS
We have successfully explored new regions in the remarkable jet of Mrk 501. Thanks to the great sensitivity of the HSA, we reveal that the VLBI jet is one-sided (and therefore in the relativistic regime) out to at least 500 parsecs from the core. The polarization vectors are clearly aligned with the jet spine, suggesti...
{ "cite_spans": [] }
10.1051/0004-6361:200809784
0807.1786
The jet of Markarian 501 from millions of Schwarzschild radii down to a few hundreds
[ "M. Giroletti", "G. Giovannini", "W. D. Cotton", "G. B. Taylor", "M. A. Perez-Torres", "M. Chiaberge", "P. G. Edwards" ]
[ "astro-ph" ]
2,008
en
Physics
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cb12bdea86b1f21b009e5d87007736e253177269
abstract
0
23
Abstract
Double peaked broad emission lines in active galactic nuclei are generally considered to be formed in an accretion disc. In this paper, we compute the profiles of reprocessing emission lines from a relativistic, warped accretion disc around a black hole in order to explore the possibility that certain asymmetries in th...
{ "cite_spans": [] }
10.1111/j.1365-2966.2008.13538.x
0807.1787
Broad reprocessed Balmer emission from warped accretion discs
[ "Sheng-Miao Wu", "Ting-Gui Wang", "Xiao-Bo Dong" ]
[ "astro-ph" ]
2,008
en
Physics
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b1a62ca183a6e6707de6c32ce2a68d4b842c0d7f
subsection
1
23
Introduction
A small fraction of active galactic nuclei (AGN) show double-peaked broad emission line profiles , , , . The possibility has been considered for a long time that at least some of these lines arise directly from the accretion discs assumed to feed the central supermassive black holes. The H\alpha profile observed in the...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 104, "openalex_id": "", "raw": "Eracleous M., Halpern J. P., 1994, ApJS, 90, 1", "source_ref_id": "26c42060b70c959b0a51154dea0d36a2451d0949", "start": 0 }, { "arxiv_id": "", "doi": "", "end": ...
10.1111/j.1365-2966.2008.13538.x
0807.1787
Broad reprocessed Balmer emission from warped accretion discs
[ "Sheng-Miao Wu", "Ting-Gui Wang", "Xiao-Bo Dong" ]
[ "astro-ph" ]
2,008
en
Physics
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