English
Related papers

Related papers: Holographic Superconductor on Q-lattice

200 papers

We study the gravity duals of striped holographic superconductors in the AdS black hole and AdS soliton backgrounds. We show the dependences of the condensation and the critical temperature/critical chemical potential on the inhomogeneity…

High Energy Physics - Theory · Physics 2015-06-16 Xiao-Mei Kuang , Bin Wang , Xian-Hui Ge

We construct a holographic model for a fermionic system on Q-lattice and compute the spectral function in the presence of a dipole coupling. Both key features of doped Mott insulators, the dynamical generation of a gap and spectral weight…

High Energy Physics - Theory · Physics 2015-06-23 Yi Ling , Peng Liu , Chao Niu , Jian-Pin Wu , Zhuo-Yu Xian

Synchrotron X-ray diffraction has been used to study the thermal structure evolution in CuBa2Ca3Cu4O10+d (Cu1234), a superconductor which exhibits a high critical temperature (Tc 118 K), high critical current density and large upper…

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 this paper, we have analytically investigated $p$-wave holographic superconductor in the framework of massive gravity in the probe limit. We obtained the analytical expressions for the critical temperature, the value of the condensate…

High Energy Physics - Theory · Physics 2020-07-15 Cao H. Nam

Holographic models of superconductors successfully reproduce certain experimental features of high-temperature superconductors, such as a large gap-to-T_c ratio compared to that of conventional superconductors. By deconstructing the extra…

High Energy Physics - Phenomenology · Physics 2013-08-14 Joshua Erlich , Zhen Wang

We study the lattice effects on the simple holographic toy model; massive U(1) gauge theory for the bulk action. The mass term is for the U(1) gauge symmetry breaking in the bulk. Without the lattice, the AC conductivity of this model shows…

High Energy Physics - Theory · Physics 2015-06-05 Norihiro Iizuka , Kengo Maeda

We study a system of a complex charged scalar coupled to a Reissner-Nordstrom black hole in 3+1 dimensional anti-de Sitter spacetime, neglecting back-reaction. With suitable boundary conditions, the cases of a neutral and purely electric…

High Energy Physics - Theory · Physics 2008-11-26 Tameem Albash , Clifford V. Johnson

We construct a holographic model with Weyl corrections in five dimensional spacetime. In particular, we introduce a coupling term between the axion fields and the Maxwell field such that the momentum is relaxed even in the probe limit in…

High Energy Physics - Theory · Physics 2017-02-16 Yi Ling , Xiangrong Zheng

We investigate the dependence of the conductivity and the entanglement entropy on the space-time dimensionality $d$ in two holographic superconductors: one dual to a quantum critical point with spontaneous symmetry breaking, and the other…

High Energy Physics - Theory · Physics 2016-01-15 Aurelio Romero-Bermúdez , Antonio M. García-García

We investigate holographic s-wave superconductors with nonlinear arcsin-electrodynamics in the background of Schwarzschild anti-de Sitter black holes. The analytical Sturm-Liouville eigenvalue problem is explored and we assume that the…

High Energy Physics - Theory · Physics 2018-08-21 S. I. Kruglov

We investigate the analytical properties of the s-wave and p-wave holographic insulator/superconductor phase transitions at zero temperature. In the probe limit, we analytically calculate the critical chemical potentials at which the…

High Energy Physics - Theory · Physics 2011-06-30 Rong-Gen Cai , Huai-Fan Li , Hai-Qing Zhang

The relationship between the pseudogap and superconductivity remains a central puzzle in the physics of cuprates. Hydrostatic pressure provides a clean tuning parameter free from chemical disorder, yet probing the microscopic energy scales…

The difficulty of describing the gauge dependent bi-quark condensate in the QCD colour superconducting phase has made it hard to construct a holographic dual of the state. To side step this problem, we argue that near the chiral restoration…

High Energy Physics - Phenomenology · Physics 2018-09-26 Kazem Bitaghsir Fadafan , Jesus Cruz Rojas , Nick Evans

We provide a description of phase transitions at finite temperature in strongly coupled field theories using holography. For this purpose, we introduce a general class of gravity duals to superconducting theories that exhibit various types…

High Energy Physics - Theory · Physics 2010-04-06 Sebastian Franco , Antonio M. Garcia-Garcia , Diego Rodriguez-Gomez

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 a truncation of four-dimensional maximal gauged supergravity that provides a realization of the minimal model of a holographic superconductor. We find various flow solutions in this truncation at zero and finite temperature with a…

High Energy Physics - Theory · Physics 2013-02-19 Nikolay Bobev , Arnab Kundu , Krzysztof Pilch , Nicholas P. Warner

We study holographic superconductors in the Schwarzschild-AdS black hole with a global monopole through a charged complex scalar field. We calculate the condensates of the charged operators in the dual conformal field theories (CFTs) and…

General Relativity and Quantum Cosmology · Physics 2014-11-20 Songbai Chen , Liancheng Wang , Chikun Ding , Jiliang Jing

The problem of nonlinear transport in a two dimensional superconductor with an applied oscillating electric field is solved by the holographic method. The complex conductivity can be computed from the dynamics of the current for both near-…

High Energy Physics - Theory · Physics 2016-06-22 Hua Bi Zeng , Yu Tian , Zhe Yong Fan , Chiang-Mei Chen

The nature of superconductivity in heavy-fermion materials is a subject under intense debate, and controlling this many-body state is central for its eventual understanding. Here, we examine how proximity effects may change this phenomenon,…

Strongly Correlated Electrons · Physics 2020-08-05 Sebastião dos Anjos Sousa-Júnior , José P. de Lima , Natanael C. Costa , Raimundo R. dos Santos