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The matching method is employed to analytically investigate the properties of holographic superconductors in higher dimensions in the framework of power Maxwell electrodynamics taking into account the effects of spacetime noncommutativity.…

High Energy Physics - Theory · Physics 2017-12-29 Suchetana Pal , Sunandan Gangopadhyay

We studied holographic insulator/superconductor phase transition in the framework of Born-Infeld electrodynamics both numerically and analytically. First we numerically study the effects of the Born-Infeld electrodynamics on the phase…

High Energy Physics - Theory · Physics 2012-12-24 Nan Bai , Yi-Hong Gao , Guan-Bu Qi , Xiao-Bao Xu

Effects of inhomogeneous doping on the high-$T_c$ cuprate superconductors are studied within the framework of the t-J model. Especially, the boundary between two non-superconducting regions with doping rates much higher and lower than the…

Strongly Correlated Electrons · Physics 2007-05-23 M. Hayashi , H. Ebisawa

With the Sturm-Liouville analytical and numerical methods, we investigate the behaviors of the holographic superconductors by introducing a complex charged scalar field coupled with a Power-Maxwell field in the background of $d$-dimensional…

High Energy Physics - Theory · Physics 2015-05-28 Jiliang Jing , Qiyuan Pan , Songbai Chen

In this note, we discuss the basic elements that should appear in a gravitational system dual to a confining gauge theory displaying color superconductivity at large baryon density. We consider a simple system with these minimal elements,…

High Energy Physics - Theory · Physics 2015-03-17 Pallab Basu , Fernando Nogueira , Moshe Rozali , Jared B. Stang , Mark Van Raamsdonk

We study the magnetic response of holographic superconductors exhibiting an insulating "normal" phase. These materials can be realized as a CFT compactified on a circle, which is dual to the AdS Soliton geometry. We study the response under…

High Energy Physics - Theory · Physics 2015-06-04 Marc Montull , Oriol Pujolàs , Alberto Salvio , Pedro J. Silva

In the following paper we investigate the critical temperature $T_c$ behavior in the two-dimensional S/TI (S denotes superconductor and TI - topological insulator) junction with a proximity induced in-plane helical magnetization in the TI…

Superconductivity · Physics 2021-06-09 T. Karabassov , A. A. Golubov , V. M. Silkin , V. S. Stolyarov , A. S. Vasenko

The topological nature of topological insulators are related to the symmetries present in the material, for example, quantum spin Hall effect can be observed in topological insulators with time reversal symmetry, while broken time reversal…

In this paper, we investigate holographic superconductors dual to asymptotically anti-de Sitter black holes in an Einstein-Maxwell-scalar model with a non-minimal coupling between the scalar and Maxwell fields. In the probe limit, it shows…

High Energy Physics - Theory · Physics 2021-11-24 Yiqian Chen , Xiaobo Guo , Peng Wang

Recent theoretical and experimental work has demonstrated how the superconducting critical temperature ($T_c$) can be modified by rotating the magnetization of a single homogeneous ferromagnet proximity-coupled to the superconducting layer.…

Superconductivity · Physics 2019-04-25 Lina G. Johnsen , Niladri Banerjee , Jacob Linder

The scaling of the AC conductivity in quantum critical holographic theories at finite density, finite temperature and in the presence of momentum dissipation is considered. It is shown that there is generically an intermediate window of…

Strongly Correlated Electrons · Physics 2021-01-20 N. Angelinos , E. Kiritsis , F. Peña-Benitez

Homogeneous, zero temperature scaling solutions with Bianchi VII spatial geometry are constructed in Einstein-Maxwell-Dilaton theory. They correspond to quantum critical saddle points with helical symmetry at finite density. Assuming…

High Energy Physics - Theory · Physics 2014-09-18 Aristomenis Donos , Blaise Goutéraux , Elias Kiritsis

Within holography the DC conductivity can be obtained by solving a system of Stokes equations for an auxiliary fluid living on the black hole horizon. We show that these equations can be derived from a novel variational principle involving…

High Energy Physics - Theory · Physics 2017-08-02 Aristomenis Donos , Jerome P. Gauntlett , Tom Griffin , Nakarin Lohitsiri , Luis Melgar

A holographic model of a quantum critical theory at a finite but low temperature, and finite density is studied. The model exhibits non-relativistic z=2 Schr\"odinger symmetry and is realized by the Anti-de-Sitter-Schwarzschild black hole…

Strongly Correlated Electrons · Physics 2012-05-08 Bom Soo Kim , Elias Kiritsis , Christos Panagopoulos

In this letter we study the Hall conductivity in holographic models where translational invariance is broken by a lattice. We show that generic holographic theories will display a different temperature dependence in the Hall angle as to the…

High Energy Physics - Theory · Physics 2015-06-19 Mike Blake , Aristomenis Donos

Identifying superconducting materials with spin-polarized Cooper pairs is an important objective both for exploration of new fundamental physics and for cryogenic applications in spintronics and quantum sensing. We here compute the critical…

Superconductivity · Physics 2025-08-12 Erik Wegner Hodt , Carla Cirillo , Angelo Di Bernardo , Carmine Attanasio , Jacob Linder

In this paper, we consider deformed STU model in four dimensions including both electric and magnetic charges. Using AdS/CFT correspondence, we study holographic superconductor and obtain transport properties like electrical and thermal…

High Energy Physics - Theory · Physics 2017-11-17 B. Pourhassan , M. M. Bagheri-Mohagheghi

In this article, we explore the holographic Q-picture description for the charged rotating black holes in the five-dimensional minimal supergravity. The central charge in the Q-picture depends only on black hole charge, therefore can be…

High Energy Physics - Theory · Physics 2010-11-23 C. -M. Chen , V. Kamali , M. R. Setare

We propose that if there are two small pocket-like Fermi surfaces, and the spin susceptibility is pronounced around a wave vector {\bf Q} that bridges the two pockets, the spin-singlet superconductivity mediated by spin fluctuations may…

Strongly Correlated Electrons · Physics 2009-11-07 Kazuhiko Kuroki , Ryotaro Arita

The low-energy limits of the string theory lead to the higher-order curvature corrections for Einstein gravity. Also, they give the higher-order derivative corrections for the Maxwell or linear electrodynamics, which suggests the nonlinear…

High Energy Physics - Theory · Physics 2019-09-09 Cao H. Nam