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We derive a method to study the phase diagram for high temperature superconductors (HTCS). Our starting point is the Hubbard Hamiltonian with a weak attractive interaction to obtain the formation of bound pairs. We consider this attractive…

Condensed Matter · Physics 2009-10-28 Evandro V. L. de Mello

We study the holographic dual description of a superconductor in which the gravity sector consists of a Maxwell field and a charged scalar field which except its minimal coupling to gravity it is also coupled kinematically to Einstein…

High Energy Physics - Theory · Physics 2016-09-02 Xiao-Mei Kuang , Eleftherios Papantonopoulos

Considering a doubly holographic model, we study the black hole information paradox for the eternal AdSd-RN black hole coupled to and in equilibrium with a d-dimensional conformal bath whose state has been deformed by the charged scalar…

High Energy Physics - Theory · Physics 2023-11-23 Yuanceng Xu , Dong Wang , Qiyuan Pan

Symmetry breaking phase transitions are an example of non-equilibrium processes that require real time treatment, a major challenge in strongly coupled systems without long-lived quasiparticles. Holographic duality provides such an approach…

High Energy Physics - Theory · Physics 2015-06-29 Julian Sonner , Adolfo del Campo , Wojciech H. Zurek

An alternative method of developing the theory of non-equilibrium two dimensional holographic superconductor is to start from the definition of a time dependent $AdS_3$ background. As originally proposed, many of these formulae were cast in…

High Energy Physics - Theory · Physics 2016-10-19 N. S. Mazhari , D. Momeni , R. Myrzakulov , H. Gholizade , M. Raza

The dynamics of a two-dimensional superconductor under a constant electric field $E$ is studied by using the gauge/gravity correspondence. The pair breaking current induced by $E$ first increases to a peak value and then decreases to a…

High Energy Physics - Theory · Physics 2017-03-01 Hua-Bi Zeng , Yu Tian , Zheyong Fan , Chiang-Mei Chen

A holographic superconductor is constructed in the background of a massive gravity theory. In the normal state without condensation, the conductivity exhibits a Drude peak that approaches a delta function in the massless gravity limit as…

High Energy Physics - Theory · Physics 2015-06-19 Hua Bi Zeng , Jian-Pin Wu

Fermi arcs are disconnected contour of Fermi surface, which can be observed in the pseudo-gap phase of high temperature superconductors. Aiming to understand this pseudo-gap phenomena, we study a holographic Fermionic system coupled with a…

High Energy Physics - Theory · Physics 2019-07-11 Sayan Chakrabarti , Debaprasad Maity , Wadbor Wahlang

We study a bottom-up holographic description of the QCD colour superconducting phase in the presence of higher derivative corrections. We expand this holographic model in the context of Gauss-Bonnet (GB) gravity. The Cooper pair condensate…

High Energy Physics - Phenomenology · Physics 2021-07-12 Kazem Bitaghsir Fadafan , Jesús Cruz Rojas

We investigate analytically as well as numerically the properties of s-wave holographic superconductors in $d$-dimensional spacetime and in the presence of Logarithmic nonlinear electrodynamics. We study three aspects of these kind of…

High Energy Physics - Theory · Physics 2018-04-17 Ahmad Sheykhi , Doa Hashemi Asl , Amin Dehyadegari

We consider a holographic model with a scalar field, a tensor field and a direct coupling between them as a superconductor with an s-wave and a d-wave. We find a rich phase structure in the model. The model exhibits a phase of coexistence…

High Energy Physics - Theory · Physics 2014-12-12 Mitsuhiro Nishida

In this study, we investigate a type-II holographic superconductor with a perturbative scalar field over a (3 + 1)-dimensional electric and magnetically charged planar AdS black hole. After consistently decoupling the scalar field sector…

In this work we aim at discussing the effects of higher order corrections to curvature on the Lovelock AdS black holes quasinormal spectrum and, in the context of gauge/gravity correspondence, their consequences for the formation of…

High Energy Physics - Theory · Physics 2015-01-26 Kai Lin , Jeferson de Oliveira , Elcio Abdalla

Based on experimental results and our previous theoretical work, a microscopic theory of high temperature superconductivity is conjectured. In this conjecture, superconducting and antiferromagnetic long-range orders are driven by interlayer…

Strongly Correlated Electrons · Physics 2007-05-23 Bumsoo Kyung

We suggest that the principle of holographic duality can be extended beyond conformal invariance and AdS isometry. Such an extension is based on a special relation between functional determinants of the operators acting in the bulk and on…

High Energy Physics - Theory · Physics 2015-06-23 A. O. Barvinsky

Based on an analytic scheme and neglecting the back reaction effect several crucial properties of holographic $ s $- wave superconductors have been investigated in the presence of an external magnetic field in the background of a $ D $…

High Energy Physics - Theory · Physics 2012-12-12 Dibakar Roychowdhury

We consider layered superconductors with a flux lattice perpendicular to the layers and random columnar defects parallel to the magnetic field B. We show that the decoupling transition temperature Td, at which the Josephson coupling…

Superconductivity · Physics 2009-11-07 A. Morozov , B. Horovitz , P. Le Doussal

We study the p-wave holographic superconductor for AdS black holes with planar event horizon topology for a particular Lovelock gravity, in which the action is characterized by a self-interacting scalar field nonminimally coupled to the…

High Energy Physics - Theory · Physics 2018-04-24 Dan Wen , Hongwei Yu , Qiyuan Pan , Kai Lin , Wei-Liang Qian

We explore the phase structure for defect theories in full generality using the gauge/gravity correspondence. On the gravity side, the systems are constructed by introducing M (probe) D(p+4-2k)-branes in a background generated by N…

High Energy Physics - Theory · Physics 2009-11-03 Paolo Benincasa

Supercooled first order phase transitions are typical of theories where conformal symmetry is predominantly spontaneously broken. In these theories the fate of the flat scalar direction is highly sensitive to the size and the scaling…

High Energy Physics - Phenomenology · Physics 2024-03-19 Noam Levi , Toby Opferkuch , Diego Redigolo