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5d744cd73776a09002b7de9836fada15ec463896
subsection
25
32
Discussion and conclusion
However, dimensional analysis yields P_{\rm cap} \sim R\, Q_{\rm cap} so that the amplitude of this capillary energy, which must vanish for large film thicknesses h\rightarrow \infty , has also a too small numerical value to explain the experimental results reported in Ref. .We recall that for simplicity our calculatio...
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10.1140/epje/i2008-10360-1
0807.1852
Effective interactions of colloids on nematic films
[ "M. Oettel", "A. Dominguez", "M. Tasinkevych", "S. Dietrich" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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e4a49433a505dcddd7be56edb4cfd4e257abe29f
subsection
26
32
Corrections to the strong anchoring limit
Here we consider the asymptotic director field around a single colloid at the nematic–air interface in the case of finite anchoring strength. For large distances from the colloid, the overall deviations from the preferred director \mathbf {n} =(n_1,n_2,n_3) = (0,0,1) are small and the total free energy of the nematic p...
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10.1140/epje/i2008-10360-1
0807.1852
Effective interactions of colloids on nematic films
[ "M. Oettel", "A. Dominguez", "M. Tasinkevych", "S. Dietrich" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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1c75e470e57c6c798947f2fc9129e551f29ab6b8
subsection
27
32
Corrections to the strong anchoring limit
Thus, to leading order in 1/r, the boundary condition can only be met if the leading multipole (n_i^{\ell }) fulfills the strong anchoring condition n_i^{\ell }(z=0)=0 and is accompanied by a subleading multipole (n_i^{s\ell }) which is connected to the leading multipole through the condition \alpha R\, \partial _z n_i...
{ "cite_spans": [] }
10.1140/epje/i2008-10360-1
0807.1852
Effective interactions of colloids on nematic films
[ "M. Oettel", "A. Dominguez", "M. Tasinkevych", "S. Dietrich" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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f08937c7c001e93853693b9ed79bfd30e11cd940
subsection
28
32
Force balance in a general configuration
For the benefit of the reader, we discuss in this Appendix some previous results , concerning the force balance of a general equilibrium configuration and demonstrate how the amplitude of an asymptotic, logarithmically varying interfacial deformation is determined solely by this mechanical condition of force balance.Fi...
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10.1140/epje/i2008-10360-1
0807.1852
Effective interactions of colloids on nematic films
[ "M. Oettel", "A. Dominguez", "M. Tasinkevych", "S. Dietrich" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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7d5436514602c597d80ea9d812e3cb28af678156
subsection
29
32
Force balance in a general configuration
This tension can be expressed in terms of a line integral involving the surface tension \gamma : {\mathbf {F}}_{\rm contact} := \mbox{} - \gamma \oint _{C_0} d\ell \,{\mathbf {e}}_c , where {\mathbf {e}}_c is the unit vector tangent to the interface, normal to the contact line, and oriented towards the particle side....
{ "cite_spans": [] }
10.1140/epje/i2008-10360-1
0807.1852
Effective interactions of colloids on nematic films
[ "M. Oettel", "A. Dominguez", "M. Tasinkevych", "S. Dietrich" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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919960c9425bf24e1d64d7e01b69ea5cb9f44d15
subsection
30
32
Force balance in a general configuration
Thus there is a distance \xi beyond which the linear theory is applicable:\gamma \nabla ^2 u (\mathbf {r}) = \Pi _{zz}^1 (\mathbf {r}) - \Pi _{zz}^2(\mathbf {r}) \qquad ({\bf r} \in S_{\rm ext}) \;,where the piece of interface S_{\rm ext} is enclosed by the circle \rho =\xi and the line C_{\rm wall}. The general soluti...
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10.1140/epje/i2008-10360-1
0807.1852
Effective interactions of colloids on nematic films
[ "M. Oettel", "A. Dominguez", "M. Tasinkevych", "S. Dietrich" ]
[ "cond-mat.soft" ]
2,008
en
Physics
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b7570eec922814fe544008e543a1138e79665065
subsection
31
32
Force balance in a general configuration
(REF ) is proportional to the force exerted by the upper and the lower fluid on the particle and on the meniscus:B_0 = \frac{1}{2\pi \gamma } {\bf e}_z \cdot \left[ {\bf F}_{\rm part} + {\bf F}_{\rm men} \right] .In obtaining Eq. (REF ) we have used that in the region S_{\rm ext} (where the interface is almost flat) on...
{ "cite_spans": [] }
10.1140/epje/i2008-10360-1
0807.1852
Effective interactions of colloids on nematic films
[ "M. Oettel", "A. Dominguez", "M. Tasinkevych", "S. Dietrich" ]
[ "cond-mat.soft" ]
2,008
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Physics
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f98f4928a6039afc51d3d8842f5e8e023c5b4bf9
abstract
0
10
Abstract
Deformed special relativity (DSR) is one of the possible realizations of a varying speed of light (VSL). It deforms the usual quadratic dispersion relations so that the speed of light becomes energy dependent, with preferred frames avoided by postulating a non-linear representation of the Lorentz group. The theory may ...
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10.1088/0264-9381/25/20/202002
0807.1854
DSR as an explanation of cosmological structure
[ "Joao Magueijo" ]
[ "gr-qc" ]
2,008
en
Physics
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c33a16125b86b647c33e2a3433d4066f8a71b2a2
subsection
1
10
Introduction
In a recent Letter  we proposed a mechanism for producing scale-invariant density fluctuations of appropriate amplitude based on a decaying speed of sound. The mechanism is quite general and can be implemented using a variety of methods. The examples of \kappa -essence , and varying speed of light (VSL) , , were give...
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10.1088/0264-9381/25/20/202002
0807.1854
DSR as an explanation of cosmological structure
[ "Joao Magueijo" ]
[ "gr-qc" ]
2,008
en
Physics
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9775ac39dce70da0c5571d9de7ac22d477e93f5e
subsection
2
10
Very basic DSR
We start with a quick review of DSR, cast in a formalism that can be used here. It's possible that alternative formulations , may be plugged into the fluctuations' calculation that follows, but this has not been checked.Let us consider a deformed dispersion relation (DDR) of the form:E^2f_1^2-k^2 f_2^2=m^2where f_1 and...
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10.1088/0264-9381/25/20/202002
0807.1854
DSR as an explanation of cosmological structure
[ "Joao Magueijo" ]
[ "gr-qc" ]
2,008
en
Physics
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6d73ccdae80ee42cf8cf650d2bd3ad49bb45476a
subsection
3
10
An adaptation of the decaying speed of sound mechanism
It is straightforward to adapt the calculation in  to the present, slightly different context (this was already done, with a different motivation, by , ). Here we predict “from first principles”, by means of DSR, deformed dispersion relations for the fluctuations. Thus, their speed of sound is wavelength dependent. But...
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10.1088/0264-9381/25/20/202002
0807.1854
DSR as an explanation of cosmological structure
[ "Joao Magueijo" ]
[ "gr-qc" ]
2,008
en
Physics
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1a62f1542911829545ea799b67026477849a3168
subsection
4
10
An adaptation of the decaying speed of sound mechanism
Under (REF ) modes start inside the horizon (set by c k\eta \sim 1), so that we can ignore the term in z^{\prime \prime }/z and find the the appropriately normalized WKB solutionv\sim \frac{e^{ik\int c d\eta }}{\sqrt{c k}}\sim \frac{e^{-i \beta c k \eta }}{\sqrt{c k}}where \beta =1/(\alpha -1)>0. The full solution to E...
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10.1088/0264-9381/25/20/202002
0807.1854
DSR as an explanation of cosmological structure
[ "Joao Magueijo" ]
[ "gr-qc" ]
2,008
en
Physics
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10604e3e59a1178edc66b3a0758152f2d1b5241f
subsection
5
10
An adaptation of the decaying speed of sound mechanism
In the range under study (-1/3<w<1) it requires \gamma >2, for example for a radiation background it requires \gamma =3.
{ "cite_spans": [] }
10.1088/0264-9381/25/20/202002
0807.1854
DSR as an explanation of cosmological structure
[ "Joao Magueijo" ]
[ "gr-qc" ]
2,008
en
Physics
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9df6f205e7dd354c879d4270575eb6afdf60c7bb
subsection
6
10
The associated DSR
What can we learn about DSR from this calculation? Foremost we have constrained the dispersion relations of the fluctuations. Specifically, if vacuum quantum fluctuations are responsible for the structure of the Universe, then for all w the DDRs should be of the form:\omega ^2-k^2(1+(\lambda k)^2)^2=m^2with \lambda \si...
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10.1088/0264-9381/25/20/202002
0807.1854
DSR as an explanation of cosmological structure
[ "Joao Magueijo" ]
[ "gr-qc" ]
2,008
en
Physics
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c9f3a2370dfc2fb7ee4925189d21fb914cbbf476
subsection
7
10
The associated DSR
For example withU\circ (E,p)=(E,p(1+(\lambda p)^2))\;one gets the non-linear representation of Lorentz transformations:E^{\prime }&=&\gamma [E-vp_x(1+(\lambda p)^2)]\\ p_x^{\prime }(1+(\lambda p^{\prime })^2)&=&\gamma [p_x (1+(\lambda p)^2) -v E]\\ p_y^{\prime }(1+(\lambda p^{\prime })^2)&=&p_y (1+(\lambda p)^2) \\ p_z...
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10.1088/0264-9381/25/20/202002
0807.1854
DSR as an explanation of cosmological structure
[ "Joao Magueijo" ]
[ "gr-qc" ]
2,008
en
Physics
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1a99e3bed34714e818a90daea4bbf20824f54fc5
subsection
8
10
The associated DSR
This could be easily implemented by choosing DDRs of the form:\frac{E^2-p^2(1+(\lambda p)^2)^2}{1-(L_{Pl}E)^2}=m^2\;.Although the DDRs are the correct ones the ensuing HOD field theory doesn't comply with the assumptions of the calculation. It is possible, however, that a modified calculation could be carried out and l...
{ "cite_spans": [] }
10.1088/0264-9381/25/20/202002
0807.1854
DSR as an explanation of cosmological structure
[ "Joao Magueijo" ]
[ "gr-qc" ]
2,008
en
Physics
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8b3e65d20a41488ae88f2f3e5ed83119d0a5ff4a
subsection
9
10
Conclusions
If the speed of light, seen as a function of the wavelength, has a pole of degree 2 at the origin, then the simplest adaptation of the varying speed of sound mechanism for structure formation leads to scale-invariant fluctuations. Additional minimal technical assumptions on DSR and its coupling to gravity have to be ma...
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10.1088/0264-9381/25/20/202002
0807.1854
DSR as an explanation of cosmological structure
[ "Joao Magueijo" ]
[ "gr-qc" ]
2,008
en
Physics
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2bc76a64bcd8b9784e28c6f01afbecebf6753200
abstract
0
16
Abstract
We consistently incorporate Yang Mills matter fields into string corrected (deformed), D=10, N=1 Supergravity. We solve the Bianchi identities within the framework of the modified beta function favored constraints to second order in the string slope parameter $\g$ also including the Yang Mills fields. In the torsion, c...
{ "cite_spans": [] }
10.1016/j.physletb.2008.07.004
0807.1855
Inclusion of Yang-Mills Fields in String Corrected Supergravity
[ "S. Bellucci", "D. O'Reilly" ]
[ "hep-th" ]
2,008
en
Physics
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689ad20f56623151f63b6d084840371ee35ce9eb
subsection
1
16
Introduction
String corrections to quantum field theories are believed to contribute Gauss Bonnet terms to the action. This invariant has been studied in many different scenarios, for example Gauss-Bonnet modified cosmology . These terms are introduced by hand into the quantum gravity models. However it is also known that Gauss-Bon...
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10.1016/j.physletb.2008.07.004
0807.1855
Inclusion of Yang-Mills Fields in String Corrected Supergravity
[ "S. Bellucci", "D. O'Reilly" ]
[ "hep-th" ]
2,008
en
Physics
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de94a2732d27e57acb46aed8fc8f061be5d3340f
subsection
2
16
The Solution
The Bianchi identities in Superspace are as follows:[[\nabla _{[A},\nabla _{B}\rbrace ,\nabla _{C)}\rbrace =0Here we have extended the commutator in to include the Yang-Mills field strengths, F_{AB}^{I}[\nabla _{A},\nabla _{B}\rbrace =T_{AB}{}^{C}\nabla _{C}+\frac{1}{2}R_{AB}{}^{de}M_{ed}+iF_{AB}^{I}t_{I}The t_{I} are ...
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10.1016/j.physletb.2008.07.004
0807.1855
Inclusion of Yang-Mills Fields in String Corrected Supergravity
[ "S. Bellucci", "D. O'Reilly" ]
[ "hep-th" ]
2,008
en
Physics
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8fbb842a8a40a0190128838c8c63211dc071428e
subsection
3
16
The Solution
We continue with this assumption.We have the H sector Bianchi identities with Yang-Mills fields as follows :\frac{1}{6}\nabla _{(\alpha |}H_{|\beta \gamma \delta )}~-~\frac{1}{4}T_{(\alpha \beta |}{}^{M} H_{M|\gamma \delta )}~=~-\frac{\gamma }{4}R_{(\alpha \beta |ef}R_{|\gamma \delta )}{}^{ef} -\frac{\beta }{4}F_{(\alp...
{ "cite_spans": [] }
10.1016/j.physletb.2008.07.004
0807.1855
Inclusion of Yang-Mills Fields in String Corrected Supergravity
[ "S. Bellucci", "D. O'Reilly" ]
[ "hep-th" ]
2,008
en
Physics
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28fe3656d5c60627a0c838d6b773f0b4992fbdb0
subsection
4
16
The Solution
This has the effect of splitting the Bianchi identities however we still have to be careful of cross terms. In order to be cautious we will examine all contributions in the H sector, in particular that for H^{(2)}{}_{ a \beta d}, for thoroughness (see appendix). In all of the Bianchi identities we encounter the spinor ...
{ "cite_spans": [] }
10.1016/j.physletb.2008.07.004
0807.1855
Inclusion of Yang-Mills Fields in String Corrected Supergravity
[ "S. Bellucci", "D. O'Reilly" ]
[ "hep-th" ]
2,008
en
Physics
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fb877820afe53a7cd944a59346830dd39d560b8c
subsection
5
16
The Solution
We have the following modifications from :\nabla _{\gamma }T^{(0)}{}_{ef}{}^{\delta }=-\frac{1}{4}\sigma ^{mn}{}_{\gamma }{}^{\delta }R^{(0)}{}_{efmn} ~+~T^{(0)}{}_{ef}{}^{\lambda }T^{(0)}{}_{\gamma \lambda }{}^{\delta } \\\nabla _{\gamma }\lambda ^{(0)}{}^{\delta }=-\frac{1}{4}\sigma ^{mn}{}_{\gamma }{}^{\delta }F_{mn...
{ "cite_spans": [] }
10.1016/j.physletb.2008.07.004
0807.1855
Inclusion of Yang-Mills Fields in String Corrected Supergravity
[ "S. Bellucci", "D. O'Reilly" ]
[ "hep-th" ]
2,008
en
Physics
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602a75d5d0df668689bde353f95febbf18ecf4aa
subsection
6
16
The Solution
Term by term we notice no order \beta ^2 contributions occur. We also seek terms of the form O(\gamma \beta ) and note that none appear other than those resulting from the modification to A_{abc}. We also find H^{(2)}{}_{g \gamma d} as in , but we write it in a different way+\frac{i}{2}\sigma _{(\alpha \beta |}{}^{g}H^...
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10.1016/j.physletb.2008.07.004
0807.1855
Inclusion of Yang-Mills Fields in String Corrected Supergravity
[ "S. Bellucci", "D. O'Reilly" ]
[ "hep-th" ]
2,008
en
Physics
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b53e50a20a0a583211e58c066d1fd0892e4e2a5a
subsection
7
16
The Solution
We also have, along with (33) of the first reference ,i\sigma ^{g}{}_{(\alpha \beta |}T^{(2)}{}_{|\gamma ) g}{}^{\delta } = +2i\gamma \sigma ^{g}{}_{(\alpha \beta |} T^{(0)}{}^{ef}{}^{\delta } \Omega ^{(1)}{}_{|\gamma )gef}+~i\sigma ^{g}{}_{(\alpha \beta |}T^{(2)}{}_{|\gamma )gd}~= +4i\gamma \sigma ^{g}{}_{(\alpha \bet...
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10.1016/j.physletb.2008.07.004
0807.1855
Inclusion of Yang-Mills Fields in String Corrected Supergravity
[ "S. Bellucci", "D. O'Reilly" ]
[ "hep-th" ]
2,008
en
Physics
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1f0a7409f6d17ad6bd98f1cc0fae3600d34df9ad
subsection
8
16
F Sector Bianchi Identities
We have seen that in the H and Torsion sectors the required minimal Bianchi identities have been fully satisfied by simply modifying the super current as in equation (28). The fundamental identity (21) is then used to solve in each case. This is the identity that enables such solutions to be obtained in the modified \b...
{ "cite_spans": [] }
10.1016/j.physletb.2008.07.004
0807.1855
Inclusion of Yang-Mills Fields in String Corrected Supergravity
[ "S. Bellucci", "D. O'Reilly" ]
[ "hep-th" ]
2,008
en
Physics
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1f09afa14d374b07835855516584ab9601c56743
subsection
9
16
F Sector Bianchi Identities
We propose the following candidate and show that it works.F^{(2)}{}_{\alpha \beta }=-\frac{i\gamma }{12}\sigma ^{pqref}{}_{\alpha \beta }A^{(1)}{}_{pqr}F_{ef}At second order equation (29) becomesT^{(0)}{}_{(\alpha \beta |}{}^{\lambda }F^{(2)}{}_{|\gamma )\lambda }-\nabla _{(\alpha |}F^{(2)}{}_{|\beta \gamma )} -i\sigma...
{ "cite_spans": [] }
10.1016/j.physletb.2008.07.004
0807.1855
Inclusion of Yang-Mills Fields in String Corrected Supergravity
[ "S. Bellucci", "D. O'Reilly" ]
[ "hep-th" ]
2,008
en
Physics
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0bac64b6744920213bcd8496c8ffbb21f2d87b35
subsection
10
16
F Sector Bianchi Identities
We also must use \begin{eqnarray}\sigma ^{pqref}{}_{(\alpha \beta |}\sigma _{e|\gamma )=~-~\sigma ^{pqref}{}_{\alpha |}\sigma _{e|\beta \gamma )} }\end{eqnarray}Hence, we obtain }\begin{eqnarray}-i\sigma ^{g}{}_{(\alpha \beta |}F^{(2)}{}_{|\gamma )g}+2i\gamma \sigma ^{g}{}_{(\alpha \beta |}\Omega ^{(1)}{}_{|\gamma )gef...
{ "cite_spans": [] }
10.1016/j.physletb.2008.07.004
0807.1855
Inclusion of Yang-Mills Fields in String Corrected Supergravity
[ "S. Bellucci", "D. O'Reilly" ]
[ "hep-th" ]
2,008
en
Physics
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f67038ee8dade1526842e9ec35ed96a9306afefe
subsection
11
16
F Sector Bianchi Identities
We have \end{eqnarray}\begin{eqnarray}\nabla _{(\alpha |}F_{|\beta )d}-T_{\alpha \beta }{}^{g}F_{gd}-T_{\alpha \beta }{}^{\lambda }F_{_|la d}+T_{(\alpha |d}{}^{g}F_{g|\beta )}+T_{(\alpha |d}{}^{\lambda }F_{\lambda |\beta )}=0\\ \end{eqnarray}and \begin{eqnarray}\nabla _{\alpha }F_{bc} = \nabla _{[ b|}F_{\alpha |c]}+T_{...
{ "cite_spans": [] }
10.1016/j.physletb.2008.07.004
0807.1855
Inclusion of Yang-Mills Fields in String Corrected Supergravity
[ "S. Bellucci", "D. O'Reilly" ]
[ "hep-th" ]
2,008
en
Physics
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a226e7233201386b442095624a1e92390430c6ed
subsection
12
16
F Sector Bianchi Identities
We have }}\begin{eqnarray}[\nabla _{\alpha },\nabla _{\beta }\rbrace =-~\frac{i\gamma }{12}\sigma ^{pqref}{}_{\alpha \beta }A^{(1)}{}_{pqr}[T_{ef}{}^{\gamma }\nabla _{\gamma } +2 H^{(0)}{}_{ef}{}^{g}\nabla _{g}+\frac{1}{2}R^{(0)}{}_{ef}{}^{mn}M_{mn}+iF^{(0)}{}_{ef}{}^{I}t_{I}]\\~ \end{eqnarray}}But \begin{eqnarray}2 H^...
{ "cite_spans": [] }
10.1016/j.physletb.2008.07.004
0807.1855
Inclusion of Yang-Mills Fields in String Corrected Supergravity
[ "S. Bellucci", "D. O'Reilly" ]
[ "hep-th" ]
2,008
en
Physics
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fc8848570c47d07cb9244095f62b6f6ce41dd6a8
subsection
13
16
F Sector Bianchi Identities
Our solution to the Bianchi identities, obtrained within the framework of the modified beta function favored constraints, holds to the second order in the string slope parameter \gamma and includes also the Yang Mills fields. We obtained as well a consistent solution in the torsion, curvature and H sectors with a Yang ...
{ "cite_spans": [] }
10.1016/j.physletb.2008.07.004
0807.1855
Inclusion of Yang-Mills Fields in String Corrected Supergravity
[ "S. Bellucci", "D. O'Reilly" ]
[ "hep-th" ]
2,008
en
Physics
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c6e8ae75bd8a0af2f12d778d0b8fbc8862095f84
subsection
14
16
F Sector Bianchi Identities
Following a technique we developed in earlier papers, we also found a solution in the F sector and gave an explicit formula for the modification induced in the commutator expression. }\subsection *{Acknowledgements} This work of has been supported in part by the European Community Human Potential Program under contract...
{ "cite_spans": [] }
10.1016/j.physletb.2008.07.004
0807.1855
Inclusion of Yang-Mills Fields in String Corrected Supergravity
[ "S. Bellucci", "D. O'Reilly" ]
[ "hep-th" ]
2,008
en
Physics
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cd7a78e33a99b81bd97efd44ca5cf40a34da0547
subsection
15
16
F Sector Bianchi Identities
Also there is no need to make modifications other than the adjustment of A_{abc} in the H sector. \end{eqnarray}}\begin{}{99} \end{}\bibitem {10} Emilio Elizalde, Nikolaos Brouzakis, Nikolaos Tetradis, Eleftheria Tzavara, Phys.Rev.D76:084029,2007;\\ Ishwaree P. Neupane: arXiv:0711.3234 [hep-th]. }\bibitem {5} S. Belluc...
{ "cite_spans": [] }
10.1016/j.physletb.2008.07.004
0807.1855
Inclusion of Yang-Mills Fields in String Corrected Supergravity
[ "S. Bellucci", "D. O'Reilly" ]
[ "hep-th" ]
2,008
en
Physics
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e0b70bdec56acb112609ff1c2079295ee5981b1b
abstract
0
16
Abstract
Kaon condensation may play an important role in the structure of hadronic matter at densities greater than that of nuclear matter, as exist in the interior of neutron stars. We present the results of the first lattice QCD investigation of kaon condensation obtained by studying systems containing up to twelve negatively...
{ "cite_spans": [] }
10.1103/PhysRevD.78.054514
0807.1856
Kaon Condensation with Lattice QCD
[ "William Detmold", "Kostas Orginos", "Martin J. Savage", "Andre Walker-Loud" ]
[ "hep-lat", "hep-ph", "nucl-th" ]
2,008
en
Physics
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b63da426b06038fa082bcace1bd9911fa79322fe
subsection
1
16
Introduction
A key ingredient in determining whether supernovae evolve into black-holes or neutron stars is the nuclear equation of state (NEOS) . The NEOS depends upon the degrees of freedom at a given density, which in turn are determined by the masses of the various hadrons in the medium and their interactions. One possibility i...
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10.1103/PhysRevD.78.054514
0807.1856
Kaon Condensation with Lattice QCD
[ "William Detmold", "Kostas Orginos", "Martin J. Savage", "Andre Walker-Loud" ]
[ "hep-lat", "hep-ph", "nucl-th" ]
2,008
en
Physics
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8b9472345ed1800389da16798f97f28eb6c63e5d
subsection
2
16
Condensation of Pseudo-Goldstone Bosons in
At LO in \chi PT, the Lagrange density describing the low-energy dynamics of the pseudo-Goldstone bosons associated with the spontaneous breaking of the approximate SU(3)_L\otimes SU(3)_R chiral symmetry of QCD has the form{\cal L} & = & {f^2\over 8}\ {\rm Tr}\left[\ \partial _\mu \Sigma \ \partial ^\mu \Sigma ^\dagger...
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10.1103/PhysRevD.78.054514
0807.1856
Kaon Condensation with Lattice QCD
[ "William Detmold", "Kostas Orginos", "Martin J. Savage", "Andre Walker-Loud" ]
[ "hep-lat", "hep-ph", "nucl-th" ]
2,008
en
Physics
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a11f3dbd3b46eaca76388c084df695e6578d802c
subsection
3
16
Condensation of Pseudo-Goldstone Bosons in
(REF ) become covariant derivatives , , \partial _\mu \Sigma \rightarrow D_\mu \Sigma = \partial _\mu \Sigma + i \delta _{\mu 0} \mu _I \left[\hat{I}_z , \Sigma \right]\ +\ i \delta _{\mu 0} \mu _S \left[\hat{S} , \Sigma \right] \ \ \ ,where\hat{I}_z & = & {1\over 2} \left( \begin{array}{ccc} +1&0&0\\0&-1&0\\0&0&0 \end...
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10.1103/PhysRevD.78.054514
0807.1856
Kaon Condensation with Lattice QCD
[ "William Detmold", "Kostas Orginos", "Martin J. Savage", "Andre Walker-Loud" ]
[ "hep-lat", "hep-ph", "nucl-th" ]
2,008
en
Physics
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a26be1a8d8d544ea73b546b1f0191ac716f46ed8
subsection
4
16
Condensation of Pseudo-Goldstone Bosons in
(REF ) is that, given the relatively large expansion parameters of SU(3)_L\otimes SU(3)_R \chi PT, it is natural to expect that there will be corrections to \rho _{K^-}, and hence to the dependence of \mu _{K^-} on \rho _{K^-}, at the level of m_K^2/\Lambda _\chi ^2 \sim 25\%, where \Lambda _\chi \sim 1 GeV is the scal...
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10.1103/PhysRevD.78.054514
0807.1856
Kaon Condensation with Lattice QCD
[ "William Detmold", "Kostas Orginos", "Martin J. Savage", "Andre Walker-Loud" ]
[ "hep-lat", "hep-ph", "nucl-th" ]
2,008
en
Physics
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73b50af92e605590ee5a792558dac16711b976c6
subsection
5
16
Multi-Meson Energies in a Finite Volume
In recent works , , , the analytic volume dependence of the ground-state energy of n identical bosons in a periodic volume of side L has been computed to {\cal O}(L^{-7}), extending the classic results of Bogoliubov and Lee, Huang and Yang . The resulting shift in ground-state energy of n particles of mass M due to th...
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10.1103/PhysRevD.78.054514
0807.1856
Kaon Condensation with Lattice QCD
[ "William Detmold", "Kostas Orginos", "Martin J. Savage", "Andre Walker-Loud" ]
[ "hep-lat", "hep-ph", "nucl-th" ]
2,008
en
Physics
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b292d678112a935a4dbd55e797e62db941e2a6b1
subsection
6
16
Multi-Meson Energies in a Finite Volume
(REF ) are&{\cal I}\ =\ -8.9136329\,, &{\cal J}\ =\ 16.532316\,, \qquad \qquad {\cal K}\ = \ 8.4019240\,, \\ &{\cal L}\ = \ 6.9458079\,, &{\cal T}_0\ = -4116.2338\,, \qquad \qquad {\cal T}_1\ = \ 450.6392\,, &and ^nC_m=n!/m!/(n-m)!. The three-body contribution to the energy-shift given in eq. (REF ) is represented by t...
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10.1103/PhysRevD.78.054514
0807.1856
Kaon Condensation with Lattice QCD
[ "William Detmold", "Kostas Orginos", "Martin J. Savage", "Andre Walker-Loud" ]
[ "hep-lat", "hep-ph", "nucl-th" ]
2,008
en
Physics
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8d00e0140c7488aa8fd3f3140d0d78f33424e43b
subsection
7
16
Methodology and Details of the Lattice Calculation
The computation in this paper uses the mixed-action lattice QCD scheme developed by LHPC , and described fully in Ref.  where multi-pion systems are investigated in detail. The present calculations were performed predominantly with the coarse, asqtad-improved , MILC configurations generated with rooted staggered sea qu...
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10.1103/PhysRevD.78.054514
0807.1856
Kaon Condensation with Lattice QCD
[ "William Detmold", "Kostas Orginos", "Martin J. Savage", "Andre Walker-Loud" ]
[ "hep-lat", "hep-ph", "nucl-th" ]
2,008
en
Physics
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994e083b37a48207c0643693c92e79dd335024e5
subsection
8
16
Methodology and Details of the Lattice Calculation
This indicates that differences in the iterative (conjugate gradient) propagator inversion for the two types of boundary conditions are becoming significant.In order to determine the interaction energy in multi-meson systems, both the single-meson, C_{1}(t), and n-meson, C_{n }(t), correlation functions were computed, ...
{ "cite_spans": [] }
10.1103/PhysRevD.78.054514
0807.1856
Kaon Condensation with Lattice QCD
[ "William Detmold", "Kostas Orginos", "Martin J. Savage", "Andre Walker-Loud" ]
[ "hep-lat", "hep-ph", "nucl-th" ]
2,008
en
Physics
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2e1bb19544475060b76e59033ed2588ad9b0558f
subsection
9
16
Methodology and Details of the Lattice Calculation
The interaction energy is related to the n-particle energy eigenvalues, E_{n K}, and the kaon mass,\Delta E_{n K}\ \equiv \ E_{n K} - n\ m_K\, .A comprehensive review of the lattice techniques we have used in this work can be found in Refs. , . [Figure: The energy-differences (in lattice units), b\ \Delta E_{n K}, for ...
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10.1103/PhysRevD.78.054514
0807.1856
Kaon Condensation with Lattice QCD
[ "William Detmold", "Kostas Orginos", "Martin J. Savage", "Andre Walker-Loud" ]
[ "hep-lat", "hep-ph", "nucl-th" ]
2,008
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Physics
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d6909cc7f978811238ef6a82c867e5d78737c2e6
subsection
10
16
Three-Meson interactions
The three-meson interactions extracted from our calculations, m_{\pi } f_{\pi }^4\ \overline{\overline{\eta }}^L_{3\pi ^-} and m_{K} f_{K}^4\ \overline{\overline{\eta }}^L_{3K^-}, are shown in Fig. REF , in units of the NDA estimate, \overline{\overline{\eta }}^{L,(NDA)}_{3\pi ^-} = 1/(m_\pi f_\pi ^4) and \overline{\ov...
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10.1103/PhysRevD.78.054514
0807.1856
Kaon Condensation with Lattice QCD
[ "William Detmold", "Kostas Orginos", "Martin J. Savage", "Andre Walker-Loud" ]
[ "hep-lat", "hep-ph", "nucl-th" ]
2,008
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Physics
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133788a457699cf5679c68f36239816671ed7e3b
subsection
11
16
The Equation of State and Chemical Potentials
The energy of the n K^- system as a function of volume and of the number of K^-'s is given explicitly in eq. (REF ) in the large-volume expansion. From the equation of state, the K^- chemical potential is\mu _{K^-} &=& \left.\frac{d E_{n K}}{d n}\right|_{V={\rm const}} \ \ \ ,and can be constructed analytically from eq...
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10.1103/PhysRevD.78.054514
0807.1856
Kaon Condensation with Lattice QCD
[ "William Detmold", "Kostas Orginos", "Martin J. Savage", "Andre Walker-Loud" ]
[ "hep-lat", "hep-ph", "nucl-th" ]
2,008
en
Physics
[ 48302, 653, 341, 8353, 9, 5426, 237, 10, 32354, 111, 21950, 136, 70, 14012, 7, 83, 34475, 143726, 538, 23, 864, 15, 11766, 919, 1388, 21334, 23232, 282, 14700, 66, 6889, 28090, 28, 5490, 2320, 11341, 165045, 38516, 561, 24854, 605, 81...
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4cba3750c494afc6d9cde4ff5d3bcf6bb4c71aa5
subsection
12
16
The Equation of State and Chemical Potentials
The lighter (green) rectanglesare obtained from the lattices with spatial extent L\sim 2.5~{\rm fm}, while the darker (red) rectangles are obtained from thelattices with L\sim 3.5~{\rm fm}. The dashed curves correspond totree-level \chi PT. The darker solid curve corresponds to theanalytic expression for the energy of ...
{ "cite_spans": [] }
10.1103/PhysRevD.78.054514
0807.1856
Kaon Condensation with Lattice QCD
[ "William Detmold", "Kostas Orginos", "Martin J. Savage", "Andre Walker-Loud" ]
[ "hep-lat", "hep-ph", "nucl-th" ]
2,008
en
Physics
[ 22729, 56, 99433, 148734, 449, 1577, 1046, 113054, 1295, 70, 21, 3771, 5170, 5623, 118, 289, 192961, 339, 41872, 5072, 27804, 24854, 42, 39, 1238, 8152, 4, 12960, 1011, 1728, 2822, 16, 621, 297, 2335, 24494, 7, 38704, 381, 5252, 9709, ...
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e502dceb3c5a6bdeca11561f347785e2394713f7
subsection
13
16
Conclusions
Kaon condensation may play an important role in the evolution of supernovae . The theoretical analysis of the condensation mechanism presently relies upon chiral perturbation theory to determine both the interactions of kaons with the baryonic matter and the kaon self-interactions. We have performed the first Lattice Q...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 77, "openalex_id": "", "raw": "G. E. Brown and H. Bethe, Astrophys. J. 423, 659 (1994).", "source_ref_id": "32dafd97096b0b1172e198a972a084e4795e2233", "start": 0 }, { "arxiv_id": "", "doi": "", ...
10.1103/PhysRevD.78.054514
0807.1856
Kaon Condensation with Lattice QCD
[ "William Detmold", "Kostas Orginos", "Martin J. Savage", "Andre Walker-Loud" ]
[ "hep-lat", "hep-ph", "nucl-th" ]
2,008
en
Physics
[ 1136, 191, 188171, 1363, 1543, 11301, 5526, 31486, 28, 137089, 1601, 10167, 13, 6, 70, 4524, 70760, 114137, 191619, 13379, 538, 28702, 54799, 1658, 7263, 170950, 154453, 83324, 182809, 7, 111, 156, 5245, 678, 1909, 1410, 6402, 26866, 15970,...
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d0a14a2400e3598c4eb83b9c576e5a4f21b76eb4
subsection
14
16
Effects of temporal boundaries
For temporally periodic gauge configurations and (anti-) periodic quark propagators (or the P\pm A propagators), we are in a position to account for the effects of the temporal boundary condition. As is well known, a single meson correlation function, generated from propagators that are subject to periodic or anti-peri...
{ "cite_spans": [] }
10.1103/PhysRevD.78.054514
0807.1856
Kaon Condensation with Lattice QCD
[ "William Detmold", "Kostas Orginos", "Martin J. Savage", "Andre Walker-Loud" ]
[ "hep-lat", "hep-ph", "nucl-th" ]
2,008
en
Physics
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584ed4091d3f835e42cf2c5ca8b2f9cf71c3c4e2
subsection
15
16
Effects of temporal boundaries
Fig. REF compares the two extractions of the \pi ^- and K^- chemical potentials for the fine ensemble.In the case of a Dirichlet boundary in time, as employed in the calculation of quark propagators on the coarse L\sim 2.5~{\rm fm} ensembles, the nature of the states reflected from the walls is less clear and we do no...
{ "cite_spans": [] }
10.1103/PhysRevD.78.054514
0807.1856
Kaon Condensation with Lattice QCD
[ "William Detmold", "Kostas Orginos", "Martin J. Savage", "Andre Walker-Loud" ]
[ "hep-lat", "hep-ph", "nucl-th" ]
2,008
en
Physics
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c0c0387768d8058c8c4eacbce32fff48fad44c55
abstract
0
51
Abstract
We have studied the structure of $^4$He droplets doped with magnesium atoms using density functional theory. We have found that the solvation properties of this system strongly depend on the size of the $^4$He droplet. For small drops, Mg resides in a deep surface state, whereas for large size drops it is fully solvate...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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1fb72820e891d185e43437c6c209beb8ecc6afe7
subsection
1
51
Introduction
Optical investigations of atomic impurities in superfluid helium nanodroplets have drawn considerable attention in recent years,, as the shifts of the electronic transition lines (atomic shifts) are a very useful observable to determine the location of the foreign atom attached to a helium drop. In this context, the st...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 297, "openalex_id": "", "raw": "F. Stienkemeier and A. F. Vilesov, J. Chem. Phys. 115, 10119 (2001).", "source_ref_id": "c516ae4a41f53986622dc5885f89e01cf982f8b6", "start": 0 }, { "arxiv_id": "", "d...
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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f8ee24db6979a669f5b92095493064aaf6a1c128
subsection
2
51
Introduction
We calculate the absorption spectrum of a Mg atom attached to small and large drops, finding a good agreement with the experiments for the latter. We discuss in a qualitative way the effect of the impurity angular momentum on the electron-impact ionization yield and on the absorption spectrum. We also address the struc...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 492, "openalex_id": "", "raw": "A. Przystawik, S. Göde, J. Tiggesbäumker, and K-H. Meiwes-Broer, contribution to the XXII International Symposium on Molecular Beams, University of Freiburg (2007); A. Przystawik, S. Göde, T. Döppne...
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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0d04b1ed70e75b9000e68cb521eb99c568917fd6
subsection
3
51
Theoretical approach
In recent years, static and time-dependent density functional methods, , have become increasingly popular to study inhomogeneous liquid helium systems because they provide an excellent compromise between accuracy and computational effort, allowing to address problems inaccessible to more fundamental approaches. Althoug...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 313, "openalex_id": "", "raw": "F. Dalfovo, A. Lastri, L. Pricaupenko, S. Stringari, and J. Treiner, Phys. Rev. B 52, 1193 (1995).", "source_ref_id": "003f622ff2f004ac053ba7181d5e9c284407eb66", "start": 0 }, { ...
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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01464d8e18d853b86b63fb1d3e16a785f1237932
subsection
4
51
Theoretical approach
Specifically, we minimize the expressionE + \frac{\lambda _C}{2} [{\cal Z} - {\cal Z}_0]^2 \; ,where {\cal Z} is the average distance between the impurity and the center of mass of the helium droplet{ \cal Z} = \int d \mathbf {r}^3 \, z \, |\Phi (\mathbf {r})|^2 - \frac{1}{N} \int d \mathbf {r}^3 \, z \,\rho (\mathbf {...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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c33e1a0eb279f2f944c9fc8765cfdfcc6d23d44c
subsection
5
51
Theoretical approach
The main reason is that these coordinates allow to use fast Fourier transformation techniques to efficiently compute the convolution integrals entering the definition of {\cal E}(\rho ), i.e. the mean field helium potential and the coarse-grained density needed to compute the correlation term in the He density function...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 369, "openalex_id": "", "raw": "M. Frigo and S. G. Johnson, Proc. IEEE 93(2), 216 (2005).", "source_ref_id": "20df91479a22ee50f46d8f97a61fd8015b0c5d38", "start": 0 }, { "arxiv_id": "", "doi": "", ...
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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f1504f04ca74d945bcbf79073a860f3187a05aa6
subsection
6
51
Structure and energetics of Mg-doped helium nanodroplets
Equations (REF -REF ) have been solved for \lambda _C=0 and several N values, namely N=30, 50, 100, 200, 300, 500, 1000, and 2000. This yields the ground state of the drop-impurity complex, and will allow us to study the atomic shift for selected cluster sizes.Figure REF shows the energy of a magnesium atom in a drop, ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 983, "openalex_id": "", "raw": "M. Barranco, R. Guardiola, S. Hernández, R. Mayol, and M. Pi, J. Low Temp. Phys. 142, 1 (2006).", "source_ref_id": "788cbae05d02bd1f3eadc3fbac9a9b5c9a7e83a5", "start": 770 }, { ...
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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c9bfbf20e475024b8e8d545c517589a7c2ecd132
subsection
7
51
Structure and energetics of Mg-doped helium nanodroplets
This causes changes in the total energy of the system by less that 1 %, but has a large effect on the value of the atomic shift. We will address this important issue, and its consequencies on the computed spectral properties of Mg@He_N in the next Sections.Figure REF shows the helium configurations for the four station...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 700, "openalex_id": "", "raw": "A. Hernando, R. Mayol, M. Pi, M. Barranco, F. Ancilotto, O. Bünermann, and F. Stienkemeier, J. Phys. Chem. A 111, 7303 (2007).", "source_ref_id": "e63e60408819bfdaa2fbbac1536b4f64c4b5e53f", ...
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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0bf3467710600ae83c747681e410e1e2d2cf37c4
subsection
8
51
Excitation spectrum of a Mg atom attached to a
Lax method offers a realistic way to study the absorption spectrum of a foreign atom embedded in liquid drops. It makes use of the Franck-Condon principle within a semiclassical approach, and it has been widely employed to study the absorption spectrum of atomic dopants attached to ^4He drops, see e.g. Ref. Her08 and r...
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0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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83fd9b8d5bff93af8c59a4c487a263de544966ff
subsection
9
51
Excitation spectrum of a Mg atom attached to a
Taking into account that \mathrm {e}^{-\frac{it}{\hbar }\mathcal {H}_{gs}}|\Psi ^{gs}\rangle = \mathrm {e}^{-it\omega _{gs}}|\Psi ^{gs}\rangle and projecting on eigenstates of the orbital angular momentum of the excited electron | m \rangle one obtainsI(\omega ) \propto |D_{\mathrm {ge}}|^2\sum _{m}\int \mathrm {d}t~\m...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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9545b9aea6941310791c20a2597b74985875106d
subsection
10
51
Excitation spectrum of a Mg atom attached to a
In this case we obtain the expressionI(\omega )&\propto & \sum _{m}\int \mathrm {d}^n[\alpha ]\int \mathrm {d}^3\mathbf {r}~|\psi _X^{\mathrm {gs}}(\mathbf {r},[\alpha ])|^2 \delta (\omega +\omega ^{\mathrm {gs}}_X-V^{\mathrm {ex}}_m(\mathbf {r},[\alpha ])/\hbar ) \\ &=& \hbar \int \mathrm {d}^n[\alpha ] \int _{\Omega ...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
[ 903, 7225, 113054, 125195, 568, 41872, 306, 2765, 1388, 1230, 36290, 188, 619, 6, 11832, 24854, 39, 8152, 4288, 125458, 42, 10666, 71, 8353, 19, 1065, 289, 14612, 10114, 363, 150598, 15759, 1542, 9405, 47391, 132, 4, 16, 304, 1743, 102,...
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e9036b8d3ac238aece27a36a9ff3093cebb9e61b
subsection
11
51
Excitation spectrum of a Mg atom attached to a
In cartesian coordinates, and assuming that the He-impurity spin-orbit interaction is negligible for magnesium, the eigenvalues of the symmetric matrixU_{ij}(\mathbf {r},[\alpha ])= \int \mathrm {d}^3\mathbf {r^{\prime }}\rho (\mathbf {r^{\prime }}+\mathbf {r},[\alpha ]) \left\lbrace V_\Pi (r^{\prime })\delta _{ij}+[V_...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1303, "openalex_id": "", "raw": "We have corrected here an obvious error made in Ref. Her08.", "source_ref_id": "513edf75e7c27f51f5c6e63b19de9b8dcff45966", "start": 627 } ] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
[ 360, 129912, 3378, 176866, 90, 10, 66596, 1529, 9, 464, 4717, 2481, 25927, 748, 3137, 182809, 22024, 735, 2661, 100, 217466, 8518, 27494, 230612, 238, 50944, 425, 1062, 454, 13786, 8152, 132, 41872, 125458, 150598, 42, 4, 289, 14612, 1011...
[ 0.0494384765625, 0.198974609375, 0.184814453125, 0.239501953125, 0.049957275390625, 0.00701904296875, 0.05340576171875, 0.2154541015625, 0.0236053466796875, 0.0919189453125, 0.2230224609375, 0.077880859375, 0.1881103515625, 0.0914306640625, 0.1630859375, 0.1895751953125, 0.0316772460...
11be193b632fb7090dca885c3d73758f27ab660d
subsection
12
51
Results for the absorption spectrum of magnesium atoms
The problem of obtaining the atomic shift of magnesium in a helium drop has been thus reduced to that of the dopant in the 3D trapping potentials corresponding to the ground state and P excited states. We consider first the [\alpha ]=0 case (i.e. no zero-point deformations of the helium cavity hosting the impurity). Th...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 988, "openalex_id": "", "raw": "F. Stienkemeier, J. Higgins, C. Callegari, S. I. Kanorsky, W. E. Ernst, and G. Scoles, Z. Phys. D 38, 253 (1996).", "source_ref_id": "36034e54a506f8142ea4e4a0c289caaae55836dd", "start": ...
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
[ 2967, 113054, 34627, 1771, 122925, 217466, 50651, 316, 36069, 34390, 71, 111, 70, 54, 95945, 23, 138, 397, 87631, 38516, 7, 214, 47, 61585, 11341, 436, 102417, 117249, 16916, 289, 14612, 145407, 7225, 15, 14, 5, 13, 110, 45234, 9, 38496...
[ 0.1529541015625, 0.0908203125, 0.1519775390625, 0.0224609375, 0.250732421875, 0.2900390625, 0.19287109375, 0.171875, 0.2315673828125, 0.1170654296875, 0.0147705078125, 0.014617919921875, 0.014801025390625, 0.114501953125, 0.163818359375, 0.014678955078125, 0.08642578125, 0.09497070...
8f4a8326401e71a80e880a10af984ff7b032c687
subsection
13
51
Results for the absorption spectrum of magnesium atoms
The surface location of Ca, Sr, and Ba in these drops has been further confirmed by DFT calculations., It is also interesting to recall that LIF experiments on Ca atoms in liquid ^4He and ^3He have found a broad line in the region of the 4s4p ^1P_1 \leftarrow 4s^2 ^1S_0 transition with no apparent splitting, contraril...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 340, "openalex_id": "", "raw": "A. Hernando, R. Mayol, M. Pi, M. Barranco, F. Ancilotto, O. Bünermann, and F. Stienkemeier, J. Phys. Chem. A 111, 7303 (2007).", "source_ref_id": "e63e60408819bfdaa2fbbac1536b4f64c4b5e53f", ...
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
[ 71579, 31913, 2041, 34843, 1853, 23, 6097, 36069, 7, 53333, 39563, 297, 25217, 74481, 83, 49041, 189232, 339, 29836, 28007, 34627, 41931, 617, 13025, 14037, 134744, 13315, 70, 10776, 201, 254, 115187, 6, 133, 2480, 118201, 8353, 304, 294, ...
[ 0.186767578125, 0.170654296875, 0.1669921875, 0.06561279296875, 0.1322021484375, 0.0281829833984375, 0.0482177734375, 0.214599609375, 0.070068359375, 0.0267181396484375, 0.0782470703125, 0.004119873046875, 0.1590576171875, 0.09814453125, 0.00323486328125, 0.0780029296875, 0.063476562...
59ac374ab9784767c328314786eecfa55c20f671
subsection
14
51
Thermal motion and angular momentum effects
To describe the displacement of the helium bubble inside the droplet, we have fitted the E({\cal Z}_0) curve of the Mg@^4He_{1000} system to a parabola, and have obtained the excitation energy \hbar \omega for this 3D isotropic harmonic oscillator. The hydrodynamic mass of the impurity atom has been estimated by its bu...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
[ 98363, 2837, 23935, 674, 50651, 316, 373, 73163, 46132, 36069, 1974, 112031, 241, 6827, 567, 77495, 9709, 272, 276, 177, 617, 13025, 14105, 5426, 121, 21098, 113054, 164101, 48302, 1299, 306, 2765, 903, 138, 397, 13882, 133141, 22313, 362, ...
[ 0.150634765625, 0.082275390625, 0.1962890625, 0.018585205078125, 0.2005615234375, 0.1903076171875, 0.066162109375, 0.1812744140625, 0.1279296875, 0.2037353515625, 0.1708984375, 0.1158447265625, 0.1187744140625, 0.1676025390625, 0.08575439453125, 0.08349609375, 0.108642578125, 0.069...
dfe0d0cdf8987510bca8e0397f8ac45a61d406a8
subsection
15
51
Thermal motion and angular momentum effects
The radial probability density w isw(R) = \frac{\mathrm {d}W}{\mathrm {d}R} = Q^{-1} R^2 \sum _{n\ell } (2\ell +1) e^{-E_{n\ell }/k_BT} |\phi _{n\ell }(R)|^2 \; .This expression has been evaluated for N=50 and 1000 by solving the Schrödinger equation for the Hamiltonian Eq. (REF ) to obtain the orbitals \phi _{n\ell } ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1321, "openalex_id": "", "raw": "K. K. Lehmann and A. M. Dokter, Phys. Rev. Lett. 92, 173401 (2004).", "source_ref_id": "e90b4c1b0984c5654c310185f8c35ca7da8c9fe1", "start": 1106 }, { "arxiv_id": "", ...
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
[ 4567, 289, 37242, 2481, 168, 7, 148, 83, 434, 132, 1052, 16, 2203, 6, 132076, 24854, 41872, 125458, 42, 39, 10666, 71, 8152, 1456, 2396, 8353, 5759, 627, 304, 11832, 19, 6796, 51912, 4700, 57157, 28, 9, 647, 454, 64, 52681, 19379, 1...
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c6dbf74fd91fabc69731bed4253277b5c9ac6614
subsection
16
51
Thermal motion and angular momentum effects
REF shows that for Mg@^4He_{1000} and Mg@^4He_{2000}, if thermal motion is taken into account and the impurity retains some of the pick-up angular momentum, the maximum density probability of Mg is at \sim 15 Å beneath the drop surface in both cases. To obtain it, we have taken for M^* the bulk value 40 a.u. As seen fr...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 587, "openalex_id": "", "raw": "The mean value \\langle L^2\\rangle is calculated as Q^{-1}Tr\\left(L^2e^{-{\\cal H}/k_BT}\\right)=Q^{-1}\\sum _{n\\ell }\\ell (\\ell +1)(2\\ell +1)e^{-E_{n\\ell }/k_BT} in the quantal approach, and...
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
[ 9069, 919, 45831, 276, 177, 981, 617, 13025, 14105, 136, 13821, 2174, 42, 2749, 78112, 15426, 566, 4717, 112033, 3060, 39580, 2037, 348, 35975, 3095, 316, 38132, 168, 7, 2481, 37242, 111, 99, 5072, 423, 8839, 9149, 10519, 36069, 71579, ...
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1d171d730874c55f298ac14d9ae56c5bd99ca10e
subsection
17
51
Homogeneous width from shape deformations of the helium bubble
We have shown that for large drops, the Mg atom is fully solvated and its thermal motion only produces small changes in the absorption shift. This allows us to decouple the effect of the translational motion of the helium bubble on the absorption line, from that of its shape fluctuation. Moreover, we can address shape ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 623, "openalex_id": "", "raw": "F. Ancilotto, P. B. Lerner, and M. W. Cole, J. Low Temp. Phys. 101, 5-6 (1995).", "source_ref_id": "0d7c53fa36e7da708813dbf10a0a07f7331dffa7", "start": 440 }, { "arxiv_id":...
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
[ 1401, 765, 127887, 100, 21334, 36069, 7, 276, 177, 34627, 83, 89554, 3115, 2107, 42, 78112, 4734, 27489, 19336, 65572, 1563, 4970, 254, 122925, 114864, 8, 12600, 21543, 153648, 50651, 316, 373, 73163, 13315, 115700, 14838, 41039, 831, 29823...
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06a9d0e0172c98403b309db61cad8faa888f4703
subsection
18
51
Homogeneous width from shape deformations of the helium bubble
The dipole mode amplitude \alpha _{1\mu } is absent since, for an incompressible fluid, it corresponds to a translation of the bubble, and this has been considered in the previous Subsection.If S[R(\Omega )] represents the bubble surface and \sigma the surface tension, the energy for a large drop can be written asE&=& ...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 912, "openalex_id": "", "raw": "F. Ancilotto, P. B. Lerner, and M. W. Cole, J. Low Temp. Phys. 101, 5-6 (1995).", "source_ref_id": "0d7c53fa36e7da708813dbf10a0a07f7331dffa7", "start": 191 }, { "arxiv_id":...
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
[ 45, 37035, 13736, 217269, 13, 289, 14612, 418, 561, 83, 146291, 82940, 2109, 55356, 79552, 4, 42518, 7, 153648, 373, 73163, 2809, 90698, 70, 159, 1052, 87849, 1388, 268, 33636, 71579, 6, 20561, 192, 63672, 48302, 21334, 36069, 186, 59121,...
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6bb9c186b784d975d9566f4c317c37ab655dd714
subsection
19
51
Homogeneous width from shape deformations of the helium bubble
Wil64,Rin80,Kin96,Fow68, namely, if \rho _0(r) is the helium spherical ground state density, deformations are introduced as \rho (\mathbf {r},t)=\rho _0[R(\mathbf {r},t)]\,{\cal K}^{-1}, withR(\mathbf {r},t)=r+\alpha _0(t)+ \sum _{\lambda =2}^\infty \sum _{\mu =-\lambda }^\lambda \alpha _{\lambda \mu }(t)Z_{\lambda \mu...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
[ 18899, 13307, 1052, 73, 4836, 11648, 8770, 16028, 110987, 2174, 497, 101, 2389, 42, 16, 83, 50651, 316, 94266, 21533, 61585, 11341, 168, 7, 2481, 8, 5037, 21094, 65508, 237, 150598, 18, 6827, 341, 5759, 1328, 14612, 11832, 6492, 55257, ...
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4e9d9bfc4eed86aa6039ed385c2f070f7f15a4c2
subsection
20
51
Homogeneous width from shape deformations of the helium bubble
This equation represents the Hamiltonian of a set of uncoupled harmonic oscillators, whose quantization yields a ground state to whose energy each mode contributes with \varepsilon _{\lambda \mu } =\frac{1}{2}\hbar \omega _\lambda , with \omega _\lambda =\sqrt{ \frac{4 \pi E^{(2)}_\lambda }{(2\lambda +1)M^*_{\lambda }}...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
[ 3293, 28, 5490, 2320, 33636, 94674, 3378, 5423, 111, 51, 587, 2037, 6259, 22313, 238, 362, 121226, 22230, 124901, 55230, 47691, 11180, 19388, 7, 61585, 11341, 48302, 12638, 13736, 162466, 6, 26761, 15759, 4759, 24854, 41872, 143, 6492, 85, ...
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466de31cd76611921784cd095e50cf230868442d
subsection
21
51
Homogeneous width from shape deformations of the helium bubble
The details are given in Appendix B, where we show that the breathing mode affects the shift and shape of the line, whereas quadrupole modes only affect the shift.Consequently, we restrict in Eq. (REF ) the deformation parameters needed to properly describe the homogeneous broadening of the absorption dipole line, name...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
[ 41653, 34475, 5659, 17215, 425, 335, 7639, 71191, 214, 13736, 52490, 7, 122925, 136, 115700, 13315, 162, 2799, 23046, 37035, 4734, 173072, 864, 11766, 919, 8, 5037, 2320, 171859, 44841, 155965, 98363, 12840, 15292, 134744, 33, 1563, 4970, 2...
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a20d9f01d8a53af14504f8f270cda1f1522846e5
subsection
22
51
Homogeneous width from shape deformations of the helium bubble
(REF ) as probability density. Next, for each set we have found the eigenvalues V^{\mathrm {ex}}_m(r,\alpha _0^i,[\alpha _2]^i) of the U_{i,j} matrix that define the potential energy surfaces and have used a trapezoidal rule to evaluate the integralsI_m(\omega ,[\alpha ]^i)=4\pi \int \mathrm {d}r~|r~\Phi (r,\alpha _0^i...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 512, "openalex_id": "", "raw": "A. Hernando, M. Barranco, R. Mayol, M. Pi, and M. Krośnicki, Phys. Rev. B 77, 024513 (2008).", "source_ref_id": "26e6e664e0577df4cb5d44b41a18644effe3b3ce", "start": 31 } ] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
[ 11766, 919, 237, 37242, 2481, 168, 7, 12638, 5423, 14037, 8518, 27494, 310, 41872, 125458, 39, 3355, 42, 289, 14612, 2389, 4, 16, 345, 14, 170, 50944, 425, 61924, 70, 38516, 48302, 71579, 11814, 63819, 1255, 81948, 79986, 151575, 13, 28...
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9cc33eec53ae7973e46494aaca08a69b9c355264
subsection
23
51
Two magnesium atoms attached to a
The attachment of magnesium atoms in ^4He droplets has been recently addressed using resonant two-photon-ionization. In particular, the authors of Ref. Prz07 have obtained the absorption spectrum for drops doped with different, selected numbers of Mg atoms. From their measurements it appears that two main features cont...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 116, "openalex_id": "", "raw": "A. Przystawik, S. Göde, J. Tiggesbäumker, and K-H. Meiwes-Broer, contribution to the XXII International Symposium on Molecular Beams, University of Freiburg (2007); A. Przystawik, S. Göde, T. Döppne...
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
[ 235923, 217466, 34627, 13331, 617, 13025, 36069, 1974, 78684, 29823, 92526, 30125, 6626, 57595, 19, 1830, 47691, 42179, 53295, 15853, 169, 8368, 113054, 1563, 4970, 254, 235079, 7, 54, 20051, 12921, 133291, 101935, 276, 177, 72350, 135179, 52...
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cc4eaf02dd0c68795ef9b4ec2f31872a0fdaffd8
subsection
24
51
Two magnesium atoms attached to a
To obtain the structure of two Mg atom in a ^4He drop, we have minimized the energy of the system written asE[\Psi , \Phi _1,\Phi _2] &=& \frac{\hbar ^2}{2\,m_{He}} \int \mathrm {d}^3 \mathbf {r}\, |\nabla \Psi (\mathbf {r}\,)|^2 + \int \mathrm {d}^3 \mathbf {r} \, {\cal E}(\rho ) \\ &+& \frac{\hbar ^2}{2\,m_{Mg}}\int ...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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35a836f0d9c82d7ee14d4d4d37d9e995c5e53505
subsection
25
51
Two magnesium atoms attached to a
The correction to the leading term of the long-range dispersion interaction, -C_6/r^6, due to three-body correlation effects can be written to first order as -C_6(1-2\pi n\alpha /3)/r^6, \alpha being the static polarizability of the host fluid (\alpha _{He}=1.39\,a_0^3). Such correction is of the order of only 1% in ou...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 272, "openalex_id": "", "raw": "M. J. Renne and B. R. A. Nijboer, J. Phys. C 6, L10 (1973).", "source_ref_id": "fa09374161d1188d5cb66df7218d04e2a43f9ea3", "start": 0 }, { "arxiv_id": "", "doi": "", ...
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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1713ae7c60508f7b6ec6863ff5d85ec2ab1fe155
subsection
26
51
Two magnesium atoms attached to a
Note that the energy of the Mg+Mg system increases as d does because the two Mg atoms in a drop form a state more bound than that of a pure drop with the impurities well apart.Since the height of the barrier is larger than the experimental temperatures, T\sim 0.4\,K, two solvated Mg atoms will not easily merge into a d...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 836, "openalex_id": "", "raw": "M. Lewerenz, B. Schilling, and J.P. Toennies, J. Chem. Phys. 102, 8191 (1995).", "source_ref_id": "6bbc1da6c8408b929cbe52f96ca5681fb987183e", "start": 583 }, { "arxiv_id": ...
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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8e3ab6d4afee1842a802b173074c7c5bc05a5fa9
subsection
27
51
Two magnesium atoms attached to a
(REF ). We are led to conclude that there is no barrier in the case of liquid ^3He. The configuration corresponding to the closest d we have calculated is shown in Fig. REF .We are now in the position to determine the effect of these weakly-bound systems on the LIF and R2PI experiments on ^4He droplets containing more ...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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d6d3b2176f1344ebdaf1744c562f602a188d85ac
subsection
28
51
Summary
We have obtained, within DFT, the structure of ^4He droplets doped with Mg atoms and have discussed in detail the magnesium solvation properties. In agreement with previous DMC calculations,, we have found that Mg is not fully solvated in small ^4He drops, whereas it becomes fully solvated in large droplet.As a conseq...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 309, "openalex_id": "", "raw": "M. Mella, G. Calderoni, and F. Cargnoni, J. Chem. Phys. 123, 054328 (2005).", "source_ref_id": "f6ffbd6986b816ef7e56f1fd95e9f6d78c87a86d", "start": 146 }, { "arxiv_id": "",...
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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44d05c23f988e22b36c9fa2923afdf690751bc49
subsection
29
51
Summary
We attribute to this static quadrupole moment the origin of the low energy peak in the absorption line, and confirm the suggestion made by the Rostock group that the splitting of the absorption line, rather than being due to a dynamical (Jahn-Teller) deformation of the helium bubble, is due to the presence of more than...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 361, "openalex_id": "", "raw": "A. Przystawik, S. Göde, J. Tiggesbäumker, and K-H. Meiwes-Broer, contribution to the XXII International Symposium on Molecular Beams, University of Freiburg (2007); A. Przystawik, S. Göde, T. Döppne...
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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c49c7811058e7c28875f0761ee2c62c2a36b196f
subsection
30
51
Body
In this Appendix we obtain the energy of the doped drop up to second order in the deformation parameters and the hydrodynamic mass of the helium bubble. To this end, the helium order parameter and Mg wave function are expressed as \Psi (\mathbf {r},t)=\sqrt{\rho (\mathbf {r},t)} \exp [i \frac{m_{He}}{\hbar }S(\mathbf {...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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4dd92981049c7aeb33559ec0892124aef71d9e1e
subsection
31
51
Body
Neglecting the velocity-dependent terms of the Orsay-Trento functional that mimic backflow effects, the total energy of the system is written as&E& = \frac{1}{2}m_{He} \int \mathrm {d}^3 \mathbf {r}\, \rho (\mathbf {r},t)|\nabla S(\mathbf {r},t)|^2 + \frac{1}{2}m_{Mg}\int \mathrm {d}^3 \mathbf {r}\, |\Phi (\mathbf {r},...
{ "cite_spans": [ { "arxiv_id": "", "doi": "", "end": 1378, "openalex_id": "", "raw": "F. Dalfovo, A. Lastri, L. Pricaupenko, S. Stringari, and J. Treiner, Phys. Rev. B 52, 1193 (1995).", "source_ref_id": "003f622ff2f004ac053ba7181d5e9c284407eb66", "start": 0 } ] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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5829187a1490fcdec66ebabe09d6d0ea6a6e0738
subsection
32
51
Body
Thus,E =T+V= \int \mathrm {d}^3 \mathbf {r} \left\lbrace t[\rho ,S,|\Phi |,\varphi ]+v[\rho ,|\Phi |]\right\rbrace \; .In the adiabatic approximation, the dynamics of the system requires the following steps: i) introduce a set of collective variables (or deformation parameters) [\alpha (t)]) that define the helium dens...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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d357112aa4cb45b095fea132f55c8063a39afcd0
subsection
33
51
Body
To first order, the density can be written as\rho (\mathbf {r},t)\simeq \rho _0(r)+\rho _0^{\prime }(r) \sum _{\lambda =0}^\infty \sum _{\mu =-\lambda }^\lambda \alpha _{\lambda \mu }(t)Z_{\lambda \mu }(\widehat{r}) \; ,where from now on, the prime will denote the derivative of the function with respect to its argument...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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a88b35d881f37d2e4d76228e841507c8013a51dd
subsection
34
51
Body
\\ &&\left.-4\pi \int \mathrm {d}r~|r~\Phi (r,\alpha _0)|^2 \delta ^{\prime }[\omega +\omega (\alpha _0)-V^{\mathrm {ex}}_i(r,\alpha _0)/\hbar ]\frac{1}{\hbar }\epsilon _{\lambda \mu }^i(r) \right\rbrace \alpha _{\lambda \mu } \; ,where \epsilon _{\lambda \mu }^i(r)=\left.\partial V^{\mathrm {ex}}_i(r)/\partial \alpha ...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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055e954c1e2cc9b6383bfca116d11f44c1a76e4b
subsection
35
51
Body
Taken into account that the PES have a stationary point at r=0 due to the spherical geometry –the first order term is zero– we can safely stop the expansion at the zeroth order term, since the wave function \Phi (r,\alpha _0) is very narrow&&I(\omega ,[\alpha ])\simeq I(\omega ,\alpha _0) \\ &&-4\pi \sum _{i}\sum _{\la...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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e908c2ba2cfe53a5e19bd65831395dace3a723a6
subsection
36
51
Body
\\ &&\left. +\frac{1}{\sqrt{3}}[V_\Sigma (r^{\prime })-V_\Pi (r^{\prime })]\left( \begin{array}{ccc} -\frac{1}{\sqrt{3}}Z_{20}(\hat{r})+Z_{22}(\hat{r})&Z_{2-2}(\hat{r})&Z_{21}(\hat{r})\\ Z_{2-2}(\hat{r})&-\frac{1}{\sqrt{3}}Z_{20}(\hat{r})-Z_{22}(\hat{r})&Z_{2-1}(\hat{r})\\ Z_{21}(\hat{r})&Z_{2-1}(\hat{r})&\frac{2}{\sqr...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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42936452484a597960737e9baf9ab5dbdfdf5f0f
subsection
37
51
Body
(REF ). At variance with the approach of Ref. Kin96, where the above matrix is approximated by its diagonal expression, implying that only the \mu =0 and 2 components of the quadrupole deformation are considered, our approach incorporates all five components.The relation between the eigenvalues \lambda _i(r,[\alpha ]) ...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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4526fa0f4ac60993789726f8a8183475d7a432f6
subsection
38
51
Body
If \beta _0\gg \beta _{\lambda >0} \, (\Rightarrow \gamma _0\gg \gamma _{\lambda >0}), we can compute the line shape to first order in \beta _{\lambda >0} (\gamma _{\lambda >0}); in analogy with Eq. (REF ) we write&&I(\omega ,[\beta ])\simeq I(\omega ,\beta _0) \\ &&-4\pi \sum _{i}\sum _{\lambda =1}^\infty \int \mathrm...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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9d3dc77d3b1d68966c4b803a6e9895b0958845d1
subsection
39
51
Body
(REF ), to first order this matrix becomesU(\mathbf {r},[\beta ],[\alpha ])&\simeq & U(r,\beta _0,\alpha _0) +\frac{4\pi }{5\sqrt{3}} \int \mathrm {d} r^{\prime } \, r^{\prime 2} \, \beta _0\,\tilde{\rho }^{\prime }_0(r^{\prime },\alpha _0) [V_\Sigma (r^{\prime })-V_\Pi (r^{\prime })] \\ &&\times \left( \begin{array}{c...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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9a73885c081f6eb7c4e9588348aa175f0bee708b
subsection
40
51
Body
Hin03;circles connected with a dotted line, fromRef. Par01.][Figure: Energy of the Mg atom as a function of the number of atomsin the drop, obtained using the Mg-He potential of Ref.Hin03 (squares). The values given in Ref.Her07are also displayed (dots). The lines are drawn to guide the eye.][Figure: (Color online)Bott...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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2c35ff4eee9a7bd1c19aaca444d5a5eced0125b5
subsection
41
51
Body
The solidline represents the probability density of the N=10\,000 drop.][Figure: (Color online)Total absorption spectrum of one Mg atom attached to^4He_{1000} in the vicinity of the3s3p ^1P_1 \leftarrow 3s^2 ^1S_0 transition.The line has been decomposed into its two \Pi and one \Sigma components, the former one is the ...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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27f8a86264736a3258d2d280148d41e14c57a089
subsection
42
51
Body
Also indicated is the corresponding wavelength \lambda . The value of thetransition energy in the gas phase is 35 051 cm^{-1}.]
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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a83ee35c04e1f1ee2277fc1e3e9473f421ff53d7
subsection
43
51
Impurity wave function
To first order, the wave function |\Phi (\mathbf {r},[\alpha ])| is written as|\Phi (\mathbf {r},t)|\simeq \Phi _0(r)+ \sum _{\lambda =0}^\infty \sum _{\mu =-\lambda }^\lambda \alpha _{\lambda \mu }(t)\Phi ^{(1)}_{\lambda \mu }(\mathbf {r})\; .The amplitudes \Phi ^{(1)}_{\lambda \mu }(\mathbf {r}) are determined in fir...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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c3078795846c0295bba2913cbe7561e2a8e50f23
subsection
44
51
Impurity wave function
We obtain\Phi ^{(1)}_{\lambda \mu }(\mathbf {r})&=&\sum _{n\ell m} \frac{\langle \Phi _0|U^{(1)}_{\lambda }Z_{\lambda \mu }|\Phi _{n\ell }Z_{\ell m}\rangle }{\varepsilon _0-\varepsilon _{n\ell m}} \Phi _{n\ell }(r)Z_{\ell m}(\widehat{r}) \\ &=&\left[\sum _{n}\frac{4\pi }{2\lambda +1} \frac{\langle \Phi _0|U^{(1)}_{\lam...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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67e751d649d97896bba8c8a23a37c562cfafbb32
subsection
45
51
Impurity wave function
We can evaluate the second order contribution to the collective potential energy asV^{(2)}&=&\sum _{\lambda \mu }\sum _{\lambda ^{\prime }\mu ^{\prime }}\frac{1}{2}\int \mathrm {d}^3\mathbf {r} \left.\frac{\partial ^2 v}{\partial \alpha _{\lambda \mu }\partial \alpha _{\lambda ^{\prime } \mu ^{\prime }}}\right|_{\rho _...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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a131af78a383ae9b46251f26077e0995cf27df35
subsection
46
51
Velocity field potentials
Introducing the expansion S(\mathbf {r},t)\equiv \sum _{\lambda \mu }\dot{\alpha }_{\lambda \mu }(t) \tilde{S}_{\lambda }(r) Z_{\lambda \mu }(\widehat{r}), where the dot denotes the time-derivative, the continuity equation for the liquid helium is, to first order,-\sum _{\lambda \mu }\dot{\alpha }_{\lambda \mu }~ Z_{\l...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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510445d28f566db489a1d32bbfca83a583318a6c
subsection
47
51
Velocity field potentials
(REF ) reduces to the radial part of the Laplace equation0=\frac{\mathrm {d}^2\tilde{S}_{\lambda }}{\mathrm {d}r^2}+ \frac{2}{r}\frac{\mathrm {d}\tilde{S}_{\lambda }}{\mathrm {d}r} -\frac{\lambda (\lambda +1)}{r^2}\tilde{S}_{\lambda }whose general solution is\tilde{S}_{\lambda }(r)=A_\lambda ~r^\lambda +\frac{B_\lambda...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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cfb1b2b531205cee3eaa1c23adce5fc28015e4fc
subsection
48
51
Velocity field potentials
(REF ) is obtained as\tilde{S}_\ell (r)= \tilde{S}_\lambda ^\mathrm {inh}(r)+C\tilde{S}_\lambda ^{\mathrm {h}}(r)withC=-\frac{ 1+\left. \frac{\mathrm {d}\tilde{S}_{\lambda }^{\mathrm {inh}}}{\mathrm {d}r}\right|_{r_i} }{ \left.\frac{\mathrm {d}\tilde{S}_{\lambda }^{\mathrm {h}}}{\mathrm {d}r}\right|_{r_i} } \; .The fie...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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575fc198fe0c341edb3c568d86d9191dfaec0969
subsection
49
51
Kinetic energy
Once the velocity fields S(\mathbf {r},t) and \varphi (\mathbf {r},t) have been determined, the collective kinetic energy can be easily calculated to second order in the collective parameters:T&=& \int \mathrm {d}^3 \mathbf {r}~t[\rho ,S,|\Phi |,\varphi ] \\ &=& \frac{1}{2}m_{He}\int \mathrm {d}^3 \mathbf {r}\, \rho (\...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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4d48bdaefb5740750697250a3c0eef4fc1097e0e
subsection
50
51
Kinetic energy
\\ &&\left.+ \frac{1}{2}m_{Mg} \int \mathrm {d}r~r^2~|\Phi _0(r)|^2~\left[ \left(\frac{\mathrm {d}\tilde{\varphi }_{\lambda }}{\mathrm {d}r}\right)^2+ \frac{\lambda (\lambda +1)}{r^2}\tilde{\varphi }_{\lambda }^2 \right] \right\rbrace \sum _{\mu =-\lambda }^\lambda \dot{\alpha }_{\lambda \mu }^2 \\ &\equiv &\frac{1}{2}...
{ "cite_spans": [] }
0807.1857
Magnesium doped helium nanodroplets
[ "Alberto Hernando", "Manuel Barranco", "Ricardo Mayol", "Marti Pi", "Francesco Ancilotto" ]
[ "cond-mat.other" ]
2,008
en
Physics
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