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Related papers: Holographic Lifshitz superconductors: Analytic sol…

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We study a general class of holographic superconductor models via the St\"{u}ckelberg mechanism in the non-minimal derivative coupling theory in which the charged scalar field is kinetically coupling to Einstein's tensor. We explore the…

General Relativity and Quantum Cosmology · Physics 2015-05-20 Songbai Chen , Qiyuan Pan , Jiliang Jing

We study inhomogeneous solutions of a 3+1-dimensional Einstein-Maxwell-scalar theory. Our results provide a holographic model of superconductivity in the presence of a charge density wave sourced by a modulated chemical potential. We find…

High Energy Physics - Theory · Physics 2011-03-22 Raphael Flauger , Enrico Pajer , Stefanos Papanikolaou

We study general models of holographic superconductivity parametrized by four arbitrary functions of a neutral scalar field of the bulk theory. The models can accommodate several features of real superconductors, like arbitrary critical…

High Energy Physics - Theory · Physics 2015-03-13 Francesco Aprile , Sebastian Franco , Diego Rodriguez-Gomez , Jorge G. Russo

In this paper, based on the Sturm-Liouville eigenvalue approach, we analytically investigate the properties of holographic superconductors in the background of pure Einstein and Gauss-Bonnet gravity taking into account the backreaction of…

High Energy Physics - Theory · Physics 2013-07-19 Sunandan Gangopadhyay

Following a methodology similar to \cite{Alishahiha:2015rta}, we derive a holographic complexity for two dimensional holographic superconductors (gauge/string superconductors) with backreactions. Applying a perturbation method proposed by…

High Energy Physics - Theory · Physics 2016-06-02 Davood Momeni , Seyed Ali Hosseini Mansoori , Ratbay Myrzakulov

We determine the energy of an interface between a multiband superconducting and a normal half-space, in presence of an applied magnetic field, based on a multiband Ginzburg-Landau (GL) approach. We obtain that the multiband surface energy…

Superconductivity · Physics 2023-05-24 Jonas Bekaert , Levie Bringmans , Milorad Milosevic

We present an improved analysis of the phase transitions in rare earth superconductor using Ginzburg-Landau theory. Our work is based on the systematic study of critical field and superconducting order parameter in the presence of localized…

Materials Science · Physics 2021-01-19 Preeti Suman Dash , Salila Das , Prabir K. Mukherjee

We study theoretically the superconductor diodes, where the magnitude of the critical current changes as the direction is reversed, in terms of a generalized Ginzburg-Landau model with the higher-order terms in the momentum of the order…

Superconductivity · Physics 2024-01-17 James Jun He , Yukio Tanaka , Naoto Nagaosa

We study a 2+1 dimensional model of superconductors using a 3+1 dimensional gravitational dual theory of a black hole coupled to a scalar field, with negative cosmological constant. In the presence of finite temperature T and a background…

High Energy Physics - Theory · Physics 2009-06-05 Tameem Albash , Clifford V. Johnson

In Ginzburg-Landau Theory of superconductivity, the density and location of the superconducting electrons are measured by a complex-valued wave function, the order parameter. In this paper, when the intensity of the applied magnetic field…

Analysis of PDEs · Mathematics 2016-10-31 Ayman Kachmar

In the probe limit, we numerically build a holographic $p$-wave superfluid model in the four-dimensional Lifshitz black hole coupled to a Maxwell-complex vector field. We observe the rich phase structure and find that the Lifshitz dynamical…

High Energy Physics - Theory · Physics 2014-12-30 Ya-Bo Wu , Jun-Wang Lu , Cheng-Yuan Zhang , Nan Zhang , Xue Zhang , Zhuo-Qun Yang , Si-Yu Wu

We discuss the phase transition of planar black holes in Ho\v{r}ava-Lifshitz gravity by introducing a Maxwell field and a complex scalar field. We calculate the condensates of the charged operators in the dual CFTs when the mass square of…

High Energy Physics - Theory · Physics 2010-04-21 Rong-Gen Cai , Hai-Qing Zhang

We consider the 2D Landau Hamiltonian $H$ perturbed by a random alloy-type potential, and investigate the Lifshitz tails, i.e. the asymptotic behavior of the corresponding integrated density of states (IDS) near the edges in the spectrum of…

Mathematical Physics · Physics 2016-08-16 Frédéric Klopp , Georgi Raikov

We develop a general framework for computing the holographic 2-point functions and the corresponding conductivities in asymptotically locally AdS backgrounds with an electric charge density, a constant magentic field, and possibly…

High Energy Physics - Theory · Physics 2015-05-26 E. J. Lindgren , Ioannis Papadimitriou , Anastasios Taliotis , Joris Vanhoof

We analyze a mean field model for $3$d anisotropic superconductors with a layered structure, in the presence of a strong magnetic field. The mean field model arises as the $Gamma$-limit of the Lawrence-Doniach energy in certain regimes. A…

Analysis of PDEs · Mathematics 2019-01-08 Andres Contreras , Guanying Peng

We investigate analytically the properties of the Weyl holographic superconductor in the Lifshitz black hole background. We find that the critical temperature of the Weyl superconductor decreases with increasing Lifshitz dynamical exponent,…

High Energy Physics - Theory · Physics 2016-07-22 S. A. Hosseini Mansoori , B. Mirza , A. Mokhtari , F. Lalehgani Dezaki , Z. Sherkatghanad

In this paper, we provide the different types of bifurcation diagrams for a superconducting cylinder placed in a magnetic field along the direction of the axis of the cylinder. The computation is based on the numerical solutions of the…

Superconductivity · Physics 2016-08-31 Amandine Aftalion , Qiang Du

We analytically study the holographic superfluid phase transition in the AdS soliton background by using the variational method for the Sturm-Liouville eigenvalue problem. By investigating the holographic s-wave and p-wave superfluid models…

High Energy Physics - Theory · Physics 2016-04-08 Chuyu Lai , Qiyuan Pan , Jiliang Jing , Yongjiu Wang

We construct a family of solutions of the holographic insulator/superconductor phase transitions with the excited states in the AdS soliton background by using both the numerical and analytical methods. The interesting point is that the…

High Energy Physics - Theory · Physics 2021-02-16 Liang OuYang , Dong Wang , Xiongying Qiao , Mengjie Wang , Qiyuan Pan , Jiliang Jing

Einstein-dilaton-$U(2)$ gauge field theory is considered in a spacetime characterised by $\alpha$ and $z$, which are the hyperscaling violation factor and the dynamical critical exponent respectively. We obtain the critical values of…

High Energy Physics - Theory · Physics 2016-09-28 Miok Park , Jiwon Park , Jae-Hyuk Oh