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We implement the effects of disorder on a holographic superconductor by introducing a random chemical potential on the boundary. We demonstrate explicitly that increasing disorder leads to the formation of islands where the superconducting…

High Energy Physics - Theory · Physics 2016-11-15 Daniel Arean , Leopoldo A. Pando Zayas , Ignacio Salazar Landea , Antonello Scardicchio

In this letter we construct the St\"{u}ckelberg holographic superconductor with Weyl corrections. Under such corrections, the Weyl coupling parameter $\gamma$ plays an important role in the order of phase transitions and the critical…

High Energy Physics - Theory · Physics 2015-06-03 Da-Zhu Ma , Yue Cao , Jian-Pin Wu

We study different phases in the holographic model of d-wave superconductor. These are described by solutions to the classical equations of motion found in different ansatze. Apart from the known homogeneous d-wave superconducting phase we…

High Energy Physics - Theory · Physics 2015-06-18 Alexander Krikun

We report ab-initio calculations of the superconducting properties of two high-Tc sodalite-like clathrate yttrium hydrides, YH6 and YH10, within the fully anisotropic ME theory, including Coulomb corrections. For both compounds we find…

We construct a simple holographic model incorporating higher-order coupling terms for electron self-interactions. It can exhibit typical behavior of a Mott insulator, including a metal-insulator transition and a decrease in DC conductivity…

Strongly Correlated Electrons · Physics 2026-02-23 Lin-Yue Bai , René Meyer , Zhen-Hua Zhou

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

We propose a model and derive analytical expressions for conductivity in heterogeneous fully anisotropic conductors with ellipsoid superconducting inclusions. This model and calculations are useful to analyze the observed temperature…

Superconductivity · Physics 2018-10-02 S. S. Seidov , K. K. Kesharpu , P. I. Karpov , P. D. Grigoriev

Unconventional superconductivity induced by the magnetic moments in a conventional spin-singlet s-wave superconductor is theoretically studied. By choosing the spin directions of these moments, one can design spinless pairing states…

Superconductivity · Physics 2013-11-08 Sho Nakosai , Yukio Tanaka , Naoto Nagaosa

In this paper, the holographic p-wave superfluid model with charged complex vector field is studied in dRGT massive gravity beyond the probe limit. The stability of p-wave and p+ip solutions are compared in the grand canonical ensemble. The…

High Energy Physics - Theory · Physics 2020-12-02 Zhang-Yu Nie , Ya-Peng Hu , Hui Zeng

We explore a class of holographic superconductors built using non-abelian condensates on probe branes in conformal and non-conformal backgrounds. These are shown to exhibit behaviour of the specific heat which resembles that of heavy…

High Energy Physics - Theory · Physics 2009-10-08 Kasper Peeters , Jonathan Powell , Marija Zamaklar

In this paper we study $3+1$ holographic superconductors with Weyl corrections. We find that the critical temperature of a superconductor with Weyl corrections increases as we amplify the Weyl coupling parameter $\gamma$, indicating the…

High Energy Physics - Theory · Physics 2011-02-17 Jian-Pin Wu , Yue Cao , Xiao-Mei Kuang , Wei-Jia Li

We study the holographic dual of a (2+1)-dimensional s-wave superfluid that breaks an abelian U(1) x U(1) global symmetry group to the diagonal U(1)_V. The model is inspired by Sen's tachyonic action, and the operator that condenses…

High Energy Physics - Theory · Physics 2016-08-08 Daniel Arean , Javier Tarrio

In this article we have analytically deduced the frequency dependent expression of conductivity and the band gap energy in $AdS_{4}$ Schwarzschild background for p-wave holographic superconductors considering Einstein-Yang-Mills theory. We…

High Energy Physics - Theory · Physics 2022-04-06 Suchetana Pal , Diganta Parai , Sunandan Gangopadhyay

We investigate the effect of the $RF^2$ correction on the holographic superconductor model in the background of AdS black hole. We find that, similar to the effect caused by the Weyl correction, the higher $RF^2$ correction term can make it…

General Relativity and Quantum Cosmology · Physics 2014-03-07 Zixu Zhao , Qiyuan Pan , Songbai Chen , Jiliang Jing

The optical conductivity of Ba(Fe$_{0.92}$Co$_{0.08}$)$_2$As$_2$ shows a clear signature of the superconducting gap, but a simple $s$-wave description fails in accounting for the low frequency response. This task is achieved by introducing…

Superconductivity · Physics 2010-10-20 R. P. S. M. Lobo , Y. M. Dai , U. Nagel , T. Room , J. P. Carbotte , T. Timusk , A. Forget , D. Colson

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

We report the observation of the spatially modulated static mode in the spectrum of fluctuations around the condensed phase of the holographic d-wave superconductor. The mode involves the time component of the gauge field that is related to…

High Energy Physics - Theory · Physics 2015-06-18 A. Krikun

In this paper, we discuss physical consequences of pseudospin SU(2) symmetry breaking in the negative-U Hubbard model at half-filling. If pseudospin symmetry is spontaneously broken while its unique subgroup U(1) remains invariant, it will…

Condensed Matter · Physics 2009-10-28 S. Q. Shen , X. C. Xie

In this paper we study (3+1) dimensional holographic superconductors in quasi-topological gravity which is recently proposed by R. Myers {\it et.al.}. Through both analytical and numerical analysis, we find in general the condensation…

High Energy Physics - Theory · Physics 2011-01-05 Xiao-Mei Kuang , Wei-Jia Li , Yi Ling

In this paper, we investigate the mixed-state entanglement in a model of p-wave superconductivity phase transition using holographic methods. We calculate several entanglement measures, including holographic entanglement entropy (HEE),…

High Energy Physics - Theory · Physics 2023-05-10 Zhe Yang , Fang-Jing Cheng , Chao Niu , Cheng-Yong Zhang , Peng Liu