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We predict the possibility of realizing room-temperature superconductivity in different 2D domains within the ceramic high-Tc cuprates at ambient pressure and experimentally confirm this prediction of 2D room-temperature superconductivity…

Superconductivity · Physics 2024-01-08 S. Dzhumanov , D. D. Gulamova , Sh. S. Djumanov

We investigate the holographic entanglement entropy in the insulator/superconductor phase transition for the Born-Infeld electrodynamics with full backreaction in five-dimensional AdS soliton spacetime. We note that the holographic…

High Energy Physics - Theory · Physics 2015-06-18 Weiping Yao , Jiliang Jing

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 make an estimate of the possible range of $\Delta T_c$ induced by high-pressure effects in post-metallic superconductors by using the theory of {\it extended irreversible/reversible thermodynamics} and Pippard's length scale. The…

Soft Condensed Matter · Physics 2007-05-23 A. Kwang-Hua Chu

We construct a toy model for holographic superconductor with non linear Maxwell field in the frame of modified gravity. By probe the bulk background by non linear Maxwell fields we show that superconductivity happens under a specific…

High Energy Physics - Theory · Physics 2014-02-13 D. Momeni , M. Raza , R. Myrzakulov

We study the one dimensional s-wave holographic superconductor by turning on the vector potential $A_x$ in the bulk, which behaves as $A_x=A_x^{(0)} \ln z+ A_x^{(1)}$ on the boundary. By solving the model with fixed $A_x^{(0)}$, we find…

High Energy Physics - Theory · Physics 2015-06-04 Hua-Bi Zeng

The superconducting properties of a layered system are analyzed for the cases of zero- and non-zero angular momentum of the pairs. The effective thermodynamic potential for the quasi-2D XY-model for the gradients of the phase of the order…

Superconductivity · Physics 2009-11-10 V. M. Loktev , V. Turkowski

In this paper, based on the Sturm-Liouville eigenvalue problem, we analytically investigate several properties of holographic s-wave superconductors in the background of a Schwarzschild-AdS spacetime in the framework of Born-Infeld…

High Energy Physics - Theory · Physics 2015-06-04 Sunandan Gangopadhyay , Dibakar Roychowdhury

We propose a general theory for the critical $T_c$ and pseudogap $T^*$ temperature dependence on the doping concentration for high-$T_c$ oxides, taking into account the charge inhomogeneities in the $CuO_2$ planes. The well measured…

Superconductivity · Physics 2009-11-07 E. V. L. de Mello , E. S. Caixeiro , J. L. Gonzaléz

Previous theoretical studies on superconductivity were focused on the static states and adiabatic processes. Quantum mechanics simulations of time-dependent processes in superconductors were rarely performed previously. Here we use…

Superconductivity · Physics 2024-12-13 Zhigang Song , Xin Li

The mechanism of superconductivity caused by the electron-vibrational centres and their inherent oscillations in crystals and solid-state structures near room temperature and at higher temperatures - hyperconductivity is discussed and…

Superconductivity · Physics 2007-05-23 V. A. Vdovenkov

We present a percolation theory for the high-$T_c$ oxides pseudogap and $T_c$ dependence on the hole level. The doping dependent inhomogeneous charge structure is modeled by a distribution which may represent the stripe morphology and yield…

Superconductivity · Physics 2007-05-23 E. V. L. de Mello , E. S. Caixeiro , J. L. Gonzaléz

In this paper, we analytically investigate the properties of holographic superconductors in higher dimensions in the framework of Born-Infeld electrodynamics taking into account the backreaction of the spacetime using the Sturm-Liouville…

High Energy Physics - Theory · Physics 2016-04-20 Debabrata Ghorai , Sunandan Gangopadhyay

In the usual perception, surface superconductivity is associated with the surface nucleation of a superconducting condensate above the upper critical field in type-II superconductors or with a rearrangement of phonon properties and the…

Superconductivity · Physics 2023-01-31 Yunfei Bai , Yajiang Chen , M. D. Croitoru , A. A. Shanenko , Xiaobing Luo , Yunbo Zhang

Two principles govern the critical temperature for superconducting transitions: (1)~intrinsic strength of the pair coupling and (2)~effect of the many-body environment on the efficiency of that coupling. Most discussions take into account…

Superconductivity · Physics 2020-04-09 Mike Guidry , Yang Sun , Lian-Ao Wu

We obtain the thermodynamic geometry of a (2+1) dimensional strongly coupled quantum field theory at a finite temperature in a holographic set up, through the gauge/gravity correspondence. The bulk dual gravitational theory is described by…

High Energy Physics - Theory · Physics 2015-12-30 Sayan Basak , Pankaj Chaturvedi , Poulami Nandi , Gautam Sengupta

We analyze the five-dimensional AdS gravity coupled to a gauge field and a charged scalar field. Under a Scherk-Schwarz compactification, we show that the system undergoes a superconductor/insulator transition at zero temperature in 2+1…

High Energy Physics - Theory · Physics 2010-04-08 Tatsuma Nishioka , Shinsei Ryu , Tadashi Takayanagi

Presently, the main method of producing new high-temperature superconductors is chemical when record temperatures of the superconducting transition $T_c$ are reached due to changes in the chemical structure of a superconductor. This paper…

General Physics · Physics 2019-04-17 Victor D. Lakhno

The vision of ``room temperature superconductivity'' has appeared intermittently but prominently in the literature since 1964, when W. A. Little and V. L. Ginzburg began working on the `problem of high temperature superconductivity' around…

Superconductivity · Physics 2007-05-23 Warren E. Pickett

In this work, we formulate a Non-Commutative (NC) extension of AdS-CFT correspondence that is manifested in the modification of behavior of a holographic superconductor. The noncommutativity is introduced in the model through the NC…

High Energy Physics - Theory · Physics 2018-12-12 Souvik Pramanik , Subir Ghosh