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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

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 analytically as well as numerically study the effects of Born-Infeld nonlinear electrodynamics on the properties of $(1+1)$-dimensional s-wave holographic superconductors. We relax the probe limit and further assume the scalar and gauge…

High Energy Physics - Theory · Physics 2018-09-26 Mahya Mohammadi , Ahmad Sheykhi , Mahdi Kord Zangeneh

Strongly disordered and strongly interacting quantum critical points are difficult to access with conventional field theoretic methods. They are, however, both experimentally important and theoretically interesting. In particular, they are…

High Energy Physics - Theory · Physics 2016-05-04 Sean A. Hartnoll , David M. Ramirez , Jorge E. Santos

We construct a holographic model to study the striped superconductor on ionic lattices. This model features a phase diagram with three distinct phases, namely the charge density wave (CDW) phase, ordinary superconducting phase (SC) and the…

High Energy Physics - Theory · Physics 2024-11-18 Kai Li , Yi Ling , Peng Liu , Meng-He Wu

Based on generalized holographic formalism, we establish a holographic realization of constant roll inflation during the early universe, where the corresponding cut-off depends on the Hubble parameter and its derivatives (up to the second…

General Relativity and Quantum Cosmology · Physics 2023-05-31 Shin'ichi Nojiri , Sergei D. Odintsov , Tanmoy Paul

In this paper, we analytically compute the basic parameters of the p-wave holographic superconductors with Weyl geometrical corrections using the matching method. The explicit correspondence between the critical temperature $T_c$ and the…

High Energy Physics - Theory · Physics 2013-08-19 D. Momeni , R. Myrzakulov , M. Raza

We construct a holographic SU(2) p-wave superconductor model with Weyl corrections. The high derivative (HD) terms do not seem to spoil the generation of the p-wave superconducting phase. We mainly study the properties of AC conductivity,…

High Energy Physics - Theory · Physics 2021-08-03 Yan Liu , Guoyang Fu , Hai-Li Li , Jian-Pin Wu , Xin Zhang

We investigate the holographic description of a superconductor constructed in the (2+1)-dimensional AdS soliton background in the probe limit. We study the holographic properties through both analytical and numerical methods. With…

High Energy Physics - Theory · Physics 2016-06-01 Yan Peng

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

In this paper, the properties of higher dimensional holographic superconductors are studied in the background of $f(R)$ gravity and Born-Infeld electrodynamics. A specific model of $f(R)$ gravity is considered, allowing a perturbative…

High Energy Physics - Theory · Physics 2024-02-26 Alexandar Roussev

The attractive Hubbard model has become a model readily realizable with ultracold atoms on optical lattices. However, the superconducting (superfluid) critical temperatures, $T_c$'s, are still somewhat smaller than the lowest temperatures…

In systems undergoing second order phase transitions, the temperature integral of the specific heat over temperature from zero to the critical temperature is the same in both the normal and ordered phases. This entropy balance relates the…

High Energy Physics - Theory · Physics 2015-06-09 Sean A. Hartnoll , Razieh Pourhasan

Understanding physics of high-$T_c$ cuprate superconductors remains one of the important problems in materials science. Though a number of diverse theories argue about the superconductivity and competing orders, ab initio and quantitative…

Strongly Correlated Electrons · Physics 2020-01-29 Takahiro Ohgoe , Motoaki Hirayama , Takahiro Misawa , Kota Ido , Youhei Yamaji , Masatoshi Imada

We report on a detailed study of the optical response and $T_c-\rho$ phase diagram ($T_c$ being the superconducting critical temperature and $\rho$ the normal state resistivity of the film) of granular aluminum, combining transport…

We investigate the emergence of a time-crystalline phase in a single-band holographic superconductor, extending the AdS/CFT framework. By incorporating a nonlinear gauge-scalar coupling and external driving, we derive coupled equations of…

High Energy Physics - Theory · Physics 2026-04-07 Chi-Hsien Tai , Wen-Yu Wen

We consider a holographic model of QCD at finite temperature with nonzero chemical potentials conjugate to $R$-charge densities. A critical surface of the confinement-deconfinement phase transition is shown for five-dimensional charged…

High Energy Physics - Phenomenology · Physics 2009-11-11 Kazuo Ghoroku , Akihiro Nakamura , Masanobu Yahiro

We describe the temperature-chemical potential phase diagrams of holographic models of a range of strongly coupled gauge theories that display chiral symmetry breaking/restoration transitions. The models are based on the D3/probe-D7 system…

High Energy Physics - Theory · Physics 2015-05-30 Nick Evans , Astrid Gebauer , Keun-Young Kim , Maria Magou

We obtain (2+1) dimensional p-wave holographic superconductors from charged Born-Infeld black holes in the presence of massive charged vector fields in a bulk $AdS_4$ Einstein-Born-Infeld theory through the $AdS_4$-$CFT_3$ correspondence.…

High Energy Physics - Theory · Physics 2015-09-25 Pankaj Chaturvedi , Gautam Sengupta

We study the nearly critical behaviour of holographic superfluids at finite temperature and chemical potential in their probe limit. This allows us to examine the coupled dynamics of the full complex order parameter with the charge density…

High Energy Physics - Theory · Physics 2022-12-21 Aristomenis Donos , Polydoros Kailidis