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Related papers: A note on holographic superconductors with Weyl Co…

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We compute the electrical conductivities at non-zero frequency in a top-down holographic model of a Weyl semimetal, consisting of $\mathcal{N}=4$ supersymmetric $\mathrm{SU}(N_c)$ Yang--Mills theory coupled to $\mathcal{N}=2$…

High Energy Physics - Theory · Physics 2024-12-23 Haruki Furukawa , Sacha Ployet , Ronnie Rodgers

A quick review on the analytical aspects of holographic superconductors (HSC) with Weyl corrections has been presented. Mainly we focus on matching method and variations approaches. Different types of such HSC have been investigated,…

High Energy Physics - Theory · Physics 2018-10-09 Davood Momeni , Muhammad Raza , Ratbay Myrzakulov

We demonstrate that in the strong coupling limit (the superconducting gap $\Delta$ is as large as the chemical potential $\mu$), which is relevant to the high-$T_c$ superconductivity, the correlation corrections to the gap and critical…

Condensed Matter · Physics 2009-10-28 M. Yu. Kuchiev , O. P. Sushkov

We generalize the analytical investigation on the properties of $s$-wave holographic superconductors in the presence of Born-Infeld nonlinear electrodynamics by taking the backreaction into account. We find that in the presence of nonlinear…

High Energy Physics - Theory · Physics 2016-02-03 A. Sheykhi , F. Shaker

We study (3+1)-dimensional holographic superconductors in Einstein-Gauss-Bonnet gravity both numerically and analytically. It is found that higher curvature corrections make condensation harder. We give an analytic proof of this result, and…

High Energy Physics - Theory · Physics 2014-11-20 Ruth Gregory , Sugumi Kanno , Jiro Soda

In this paper, we analytically study the holographic superconductor models with the high derivative (HD) coupling terms. Using the Sturm-Liouville (SL) eigenvalue method, we perturbatively calculate the critical temperature. The analytical…

High Energy Physics - Theory · Physics 2020-07-29 Chunyan Wang , Dan Zhang , Guoyang Fu , Jian-Pin Wu

We consider holographic thermalization in the presence of a Weyl correction in five dimensional AdS space. We first obtain the Weyl corrected black brane solution perturbatively, up to first order in the coupling. The corresponding…

High Energy Physics - Theory · Physics 2016-02-17 Anshuman Dey , Subhash Mahapatra , Tapobrata Sarkar

We study $(2+1)$-dimensional holographic superconductors in the presence of non-minimally coupled electromagnetic field to gravity by considering an arbitrary linear combination of $RF^2$-type invariants with three parameters. Our…

High Energy Physics - Theory · Physics 2013-12-17 Özcan Sert , Muzaffer Adak

Bulk superconductor samples of YBa2Cu3-xCoxO7-{\delta} with x = 0, 0.01, 0.03, 0.05 are synthesized by solid-state reaction route. Both x-ray diffraction and electron microscopy have been employed to study the phase identification,…

Superconductivity · Physics 2011-07-07 Sushant Gupta , R. S. Yadav , N. P. Lalla , G. D. Verma , B. Das

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

Irradiation of cuprate high-$T_c$ superconductors with light ions of moderate energy creates point defects that lead to a reduction or full suppression of the critical temperature. By shaping the ion flux with a stencil mask, nanostructures…

Superconductivity · Physics 2019-05-29 Kristijan L. Mletschnig , Wolfgang Lang

In this work, we delve into the physics of charged black holes modified by Weyl corrections, a framework that emerges from the subtle non--minimal coupling between spacetime curvature and electromagnetism. We begin by revisiting the…

General Relativity and Quantum Cosmology · Physics 2026-05-22 Hassan Hassanabadi , Mrinnoy M. Gohain , Kalyan Bhuyan , Farokhnaz Hosseinifar

We study the chiral vortical conductivity in a holographic Weyl semimetal model, which describes a topological phase transition from the strongly coupled topologically nontrivial phase to a trivial phase. We focus on the temperature…

High Energy Physics - Theory · Physics 2019-12-16 Xuanting Ji , Yan Liu , Xin-Meng Wu

We study holographically the zero and finite temperature behavior of the potential energy and holographic subregion complexity corresponding to a probe meson in a non-conformal model. We observe that in zero and low temperature…

High Energy Physics - Theory · Physics 2021-11-02 M. Lezgi , M. Ali-Akbari , M. Asadi

We study holographic superconductors in five dimensional Einstein-Gauss-Bonnet gravity both numerically and analytically. We find the critical temperature of the superconductor decreases as backreaction is increased, although the effect of…

High Energy Physics - Theory · Physics 2010-12-14 Luke Barclay , Ruth Gregory , Sugumi Kanno , Paul Sutcliffe

Starting from a microscopic model for the particle-particle interactions in a Weyl semimetal, we analyzed the possibility for conventional as well as monopole Cooper pairing between quasiparticle excitations at the same (intra-nodal) or…

Superconductivity · Physics 2024-11-13 Enrique Muñoz , Juan Pablo Esparza , José Braun , Rodrigo Soto-Garrido

Neutron scattering from high-quality YBa2Cu3O6.33 (YBCO6.33) single crystals with a Tc of 8.4 K shows no evidence of a coexistence of superconductivity with long-range antiferromagnetic order at this very low, near-critical doping of…

We build a holographic $s$-wave conductor/superconductor model and an insulator/superconductor model in the four-dimensional conformal anomaly corrected~(CAC) AdS gravity. The effects of CAC parameter $\alpha$ are studied using both…

High Energy Physics - Theory · Physics 2020-06-15 Jun-Wang Lu , Huai-Fan Li , Ya-Bo Wu

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

The superfluid density near the superconducting transition is investigated in the presence of spatial inhomogeneity in the critical temperature. Disorder is accounted for by means of a random $T_c$ term in the conventional Ginzburg-Landau…

Superconductivity · Physics 2009-11-13 D. Dalidovich , A. J. Berlinsky , C. Kallin