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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…

高能物理 - 理论 · 物理学 2018-04-17 Ahmad Sheykhi , Doa Hashemi Asl , Amin Dehyadegari

A general density-matrix formulation of quantum-transport phenomena in semiconductor nanostructures is presented. More specifically, contrary to the conventional single-particle correlation expansion, we shall investigate separately the…

材料科学 · 物理学 2009-11-11 Rita Claudia Iotti , Emanuele Ciancio , Fausto Rossi

Modern quantum experiments provide examples of transport with non-commuting quantities, offering a tool to understand the interplay between thermal and quantum effects. Here we set forth a theory for non-Abelian transport in the linear…

量子物理 · 物理学 2022-01-10 Gonzalo Manzano , Juan M. R. Parrondo , Gabriel T. Landi

We use gauge-gravity duality to study a strongly-coupled non-Abelian gauge theory with flavor fields, i.e. fields transforming in the fundamental representation of the gauge group. We first study the thermodynamics of the flavor fields. In…

高能物理 - 理论 · 物理学 2008-08-11 Andy O'Bannon

We use holographic techniques to compute two-point functions of operators belonging to a conserved current supermultiplet in theories which break supersymmetry at strong coupling. These are the relevant quantities one has to compute in…

高能物理 - 理论 · 物理学 2015-06-05 Riccardo Argurio , Matteo Bertolini , Lorenzo Di Pietro , Flavio Porri , Diego Redigolo

We consider the gravity dual of strongly coupled system at a Lifshitz-fixed point and finite temperature, which was constructed in a recent work arXiv:0909.0263. We construct an Abelian Higgs model in that background and calculate…

高能物理 - 理论 · 物理学 2011-10-27 Sang-Jin Sin , Shan-Shan Xu , Yang Zhou

According to the gauge-gravity duality, we systematically study the Schwinger effect and electric instability with anisotropy in a top-down holographic approach. The anisotropic black brane and bubble (soliton) background in IIB…

高能物理 - 理论 · 物理学 2022-08-23 Si-wen Li , Sen-kai Luo , Hao-qian Li

We consider transport in a fluid flow of arbitrary complexity but with a dominant flow direction. This is the situation encountered, for example, when analyzing the dynamics of sufficiently small particles immersed in a turbulent fluid and…

流体动力学 · 物理学 2021-12-24 Rebeca de la Fuente , Gábor Drótos , Emilio Hernández-García , Cristóbal López

Most holographic models of superconducting systems neglect the effects of dynamical boundary gauge fields during the process of spontaneous symmetry-breaking. Usually a global symmetry gets broken. This yields a superfluid, which then is…

高能物理 - 理论 · 物理学 2015-06-04 Xin Gao , Matthias Kaminski , Hua-Bi Zeng , Hai-Qing Zhang

The holographic approach to study strongly coupled superconductors in the presence of dark matter is reviewed. We discuss the influence of dark matter on the superconducting transition temperature of both s-wave and p-wave holographic…

综合物理 · 物理学 2017-11-22 Marek Rogatko , Karol I. Wysokinski

We propose a holographic duality between a higher spin AdS_3 gravity with so(p) extended supersymmetry and a large N limit of a 2-dimensional Grassmannian-like model with a specific critical level k=N and a non-diagonal modular invariant.…

高能物理 - 理论 · 物理学 2015-06-19 Thomas Creutzig , Yasuaki Hikida , Peter B. Ronne

We study heat transport in two systems without momentum conservation: a hydrodynamic system, and a holographic system with spatially dependent, massless scalar fields. When momentum dissipates slowly, there is a well-defined, coherent…

高能物理 - 理论 · 物理学 2015-01-22 Richard A. Davison , Blaise Goutéraux

We study magnetic, transport and thermodynamic properties of the half-filled two-dimensional ($2D$) Hubbard model with layered distributed repulsive interactions using unbiased finite temperature quantum Monte Carlo simulations.…

强关联电子 · 物理学 2017-02-27 Rubem Mondaini , Thereza Paiva

First principles calculations are used to investigate electronic band structure and vibrational spectra of pnictogen substituted ternary skutterudites. We compare the results with the prototypical binary composition CoSb$_3$ to identify the…

材料科学 · 物理学 2015-06-03 Dmitri Volja , Boris Kozinsky , An Li , Daehyun Wee , Nicola Marzari , Marco Fornari

Superconductivity is abundant near quantum-critical points, where fluctuations suppress the formation of Fermi liquid quasiparticles and the BCS theory no longer applies. Two very distinct approaches have been developed to address this…

强关联电子 · 物理学 2022-06-02 Gian Andrea Inkof , Koenraad Schalm , Jörg Schmalian

We use localization to compute the partition function of a four dimensional, supersymmetric, abelian gauge theory on a hemisphere coupled to charged matter on the boundary. Our theory has eight real supercharges in the bulk of which four…

高能物理 - 理论 · 物理学 2020-05-20 Rajesh Kumar Gupta , Christopher P. Herzog , Imtak Jeon

For nonlinear models of an Abelian vector supermultiplet coupled to N = 2 supergravity in four dimensions, we formulate the self-duality equation which expresses invariance under U(1) duality rotations. In the flat space limit, this…

高能物理 - 理论 · 物理学 2015-06-04 Sergei M. Kuzenko

We study the low-energy dynamics of systems with exact and approximate higher-form symmetries using gauge/gravity duality. These symmetries are realised holographically via Maxwell-type theories for massless and massive $p$-forms in AlAdS…

高能物理 - 理论 · 物理学 2025-10-09 André Oliveira Pinheiro

A recently proposed analytical solution for the equations of motion of the one-body Green function of the double quantum dot is extended to the out-of-equilibrium situation. By solving a linear system for the density correlators, not only…

介观与纳米尺度物理 · 物理学 2025-01-30 Nahual Sobrino , David Jacob , Stefan Kurth

We construct long wavelength asymptotically locally AdS_5 spacetimes with slowly varying (background) gauge fields which are solutions to the U(1)^n Einstein-Maxwell-Chern-Simons system. These bulk spacetimes are dual to (3+1)-dimensional…

高能物理 - 理论 · 物理学 2013-12-02 T. Ashok