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We have investigated a holographic model of a multi-layered superconductor in (2+1)-dimensions using the AdS/CFT correspondence. This correspondence allows us to study strongly interacting condensed matter systems through a weakly…

High Energy Physics - Theory · Physics 2024-05-14 Chi-Hsien Tai , Wen-Yu Wen

We employ the variational method for the Sturm-Liouville eigenvalue problem to analytically investigate the properties of the holographic superconductors. We find that the analytic method is still powerful when the backreaction is turned…

High Energy Physics - Theory · Physics 2012-06-25 Qiyuan Pan , Jiliang Jing , Bin Wang , Songbai Chen

We study dissipation in holographic superfluids at finite temperature and zero chemical potential. The zero overlap with the heat current allows us to isolate the physics of the conserved current corresponding to the broken global $U(1)$.…

High Energy Physics - Theory · Physics 2021-10-04 Aristomenis Donos , Polydoros Kailidis , Christiana Pantelidou

We study in detail the phase structure of a holographic p-wave superconductor model in a five dimensional Einstein-Maxwell-complex vector field theory with a negative cosmological constant. To construct complete phase diagrams of the model,…

General Relativity and Quantum Cosmology · Physics 2014-04-11 Rong-Gen Cai , Li Li , Li-Fang Li , Run-Qiu Yang

Based on the Sturm-Liouville eigenvalue problem, we develop a general analytic technique to investigate the excited states of the holographic superconductors. By including more higher order terms in the expansion of the trial function, we…

High Energy Physics - Theory · Physics 2020-10-22 Xiongying Qiao , Dong Wang , Liang OuYang , Mengjie Wang , Qiyuan Pan , Jiliang Jing

The normal and the superconducting state of two coupled CuO_2 layers in the High-T_c superconductors are investigated by using the bilayer Hubbard model, the FLEX approximation on the real frequency axis and the Eliashberg theory. We find…

Condensed Matter · Physics 2009-10-28 S. Grabowski , J. Schmalian , M. Langer , K. H. Bennemann

Using the recently found by G. Horowitz and M. Roberts (arXiv:0908.3677) numerical model of the ground state of holographic superconductors (at zero temperature), we calculate the conductivity for such models. The universal relation…

High Energy Physics - Theory · Physics 2010-03-09 R. A. Konoplya , A. Zhidenko

Via numerical and analytical methods, the effects of the Lifshitz dynamical exponent $z$ on holographic superconductors are studied in some detail, including $s$ wave and $p$ wave models. Working in the probe limit, we find that the…

High Energy Physics - Theory · Physics 2014-09-01 Jun-Wang Lu , Ya-Bo Wu , Peng Qian , Yue-Yue Zhao , Xue Zhang , Nan Zhang

A d-wave holographic superconductor is studied under a constant magnetic field by perturbation method, we obtain both droplet and triangular vortex lattice solution. The results are the same as the s-wave holographic superconductor. The…

High Energy Physics - Theory · Physics 2011-01-17 Hua-Bi Zeng , Zhe-Yong Fan , Hong-Shi Zong

It is known that a classical SU(2) Einstein-Yang-Mills theory in 3+1 dimensional anti-de Sitter spacetime can provide a holographic dual to a 2+1 dimensional time reversal symmetry breaking superconductor with a pseudogap. We study the…

High Energy Physics - Theory · Physics 2009-09-02 Huabi Zeng , Zheyong Fan , Zhongzhou Ren

We study dynamics of the order parameter in a superconducting film with transport current after absorption of a single photon. The system from the time-dependent Ginszburg-Landau equation, Poisson's equation for an electrical potential and…

Superconductivity · Physics 2014-11-18 A. N. Zotova , D. Y. Vodolazov

We investigate the analytical method in studying the holographic superfluid model which is described by Maxwell field minimally coupling to a charged scalar field in a fixed AdS black hole background. We propose a method that enables us to…

High Energy Physics - Theory · Physics 2015-06-19 Wung-Hong Huang

We analytically study the properties of a $(2+1)$-dimensional $s$-wave holographic superconductor in the presence of exponential nonlinear electrodynamics. We consider the case in which the scalar and gauge fields back react on the…

General Relativity and Quantum Cosmology · Physics 2017-01-12 Ahmad Sheykhi , Fatemeh Shaker

We employ the variational method for the Sturm-Liouville eigenvalue problem to analytically study the phase transition between the holographic insulator and superconductor in the Gauss-Bonnet gravity. By investigating the s-wave and p-wave…

General Relativity and Quantum Cosmology · Physics 2011-11-22 Qiyuan Pan , Jiliang Jing , Bin Wang

We have studied holographic superconductors with spherical symmetry in the Ho$\check{\textbf{r}}$ava-Lifshitz gravity by using a semi analytical method, and also we have calculated the critical temperature and shown when the condensation…

High Energy Physics - Theory · Physics 2011-06-01 M. R. Setare , Davood Momeni , N. Majd

We study a generalization of the standard holographic p-wave superconductor featuring two interacting vector order parameters. Basing our argument on the symmetry and linear response properties of the model, we propose it as a holographic…

High Energy Physics - Theory · Physics 2014-03-12 Andrea Amoretti , Alessandro Braggio , Nicola Maggiore , Nicodemo Magnoli , Daniele Musso

By using the full 3D generalized time dependent Ginzbug-Landau equation we study a long superconducting film of finite width and thickness under an applied transport current. We show that, for sufficiently large thickness, the vortices and…

In this work we discuss the zero temperature limit of a "p-wave" holographic superconductor. The bulk description consists of a non-Abelian SU(2) gauge fields minimally coupled to gravity. We numerically construct the zero temperature…

High Energy Physics - Theory · Physics 2010-05-25 Pallab Basu , Jianyang He , Anindya Mukherjee , Hsien-Hang Shieh

We provide an analytical as well as a numerical study of the holographic $s$-wave superconductors in Gauss-Bonnet gravity with Power-Maxwell electrodynamics. We limit our study to the case where scalar and gauge fields do not have an effect…

General Relativity and Quantum Cosmology · Physics 2016-04-26 Ahmad Sheykhi , Hamid Reza Salahi , Afshin Montakhab

Based on an analytic scheme and neglecting the back reaction effect several crucial properties of holographic $ s $- wave superconductors have been investigated in the presence of an external magnetic field in the background of a $ D $…

High Energy Physics - Theory · Physics 2012-12-12 Dibakar Roychowdhury