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We study thermalization and thermal transport in single crystals of CsV$_3$Sb$_5$ through the CDW transition by directly measuring thermal diffusivity ($D$), thermal conductivity ($\kappa$), resistivity ($\rho$), and specific heat ($c$).…

In the AdS$_3$/CFT$_2$ framework, the Euclidean BTZ black hole corresponds to the dominant high-temperature phase of its dual field theory. We initially employ perturbative methods to solve the Einstein equations as boundary value problems,…

High Energy Physics - Theory · Physics 2024-06-26 Song He , Yi Li , Yun-Ze Li , Yunda Zhang

We study electrical transport in a strongly coupled strange metal in two spatial dimensions at finite temperature and charge density, holographically dual to Einstein-Maxwell theory in an asymptotically $\mathrm{AdS}_4$ spacetime, with…

High Energy Physics - Theory · Physics 2015-12-02 Sašo Grozdanov , Andrew Lucas , Subir Sachdev , Koenraad Schalm

We study spontaneous scalarization of electrically charged extremal black holes in $D\geq 4$ spacetime dimensions. Such a phenomenon is caused by the symmetry breaking due to quartic interactions of the scalar -- Higgs potential and…

High Energy Physics - Theory · Physics 2022-08-10 Alessio Marrani , Olivera Miskovic , Paula Quezada

We calculate the shear viscosity in the frame of AdS/CFT correspondence for the field theory with a gravity dual of Einstein-Born-Infeld gravity. We find that the ratio of $\eta/s$ is still the conjectured universal value $1/4\pi$ at least…

High Energy Physics - Theory · Physics 2009-02-09 Rong-Gen Cai , Ya-Wen Sun

We study charge transport properties in a domain-wall geometry, whose near horizon IR geometry is a Lifshitz black hole and whose UV geometry is AdS. The action for the gauge field contains the standard Maxwell term plus the Weyl tensor…

High Energy Physics - Theory · Physics 2011-08-30 José P. S. Lemos , Da-Wei Pang

In this paper, we study the thermodynamic features of a non-linear magnetic-charged AdS black hole surrounded by quintessence, in the background of perfect fluid dark matter(PFDM). After having constructed the corresponding metric, we…

General Relativity and Quantum Cosmology · Physics 2023-08-08 Ragil Brand Ndongmo , Saleh Mahamat , Thomas Bouetou Bouetou , Conrad Bertrand Tabi , Timoleon Crepin Kofane

In order to imitate anisotropic medium of a condensed matter system, we take into account an Einstein-Maxwell-dilaton-axion model as a dual gravity theory where the anisotropy is caused by different momentum relaxations. This gravity model…

High Energy Physics - Theory · Physics 2016-10-19 Sunly Khimphun , Bum-Hoon Lee , Chanyong Park

We explore physics behind the horizon in eternal AdS Schwarzschild black holes. In dimension d >3, where the curvature grows large near the singularity, we find distinct but subtle signals of this singularity in the boundary CFT…

High Energy Physics - Theory · Physics 2009-11-10 Lukasz Fidkowski , Veronika Hubeny , Matthew Kleban , Stephen Shenker

We report on a zero magnetic field transport study of a two-dimensional, variable-density, hole system in GaAs. As the density is varied we observe, for the first time in GaAs-based materials, a crossover from an insulating behavior at…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 Y. Hanein , U. Meirav , D. Shahar , C. C. Li , D. C. Tsui , Hadas Shtrikman

We study charged, static, topological black holes in pure Gauss-Bonnet gravity in asymptotically AdS space. As in general relativity, the theory possesses a unique nondegenerate AdS vacuum. It also admits charged black hole solutions which…

High Energy Physics - Theory · Physics 2016-03-23 Ligeia Aránguiz , Xiao-Mei Kuang , Olivera Miskovic

We present the transport properties of a strongly correlated quantum dot attached to two leads with a side coupled non-interacting quantum dot. Transport properties are analyzed using the slave boson mean field theory which is reliable in…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 B. H. Wu , J. C. Cao , Kang-Hun Ahn

Fermions scattering on a black hole background cannot develop an instability sourced by superradiance. However, in a global (or planar) AdS$_4$-Reissner-Nordstr\"om background fermions can violate the AdS$_2$ fermionic mass stability bound…

High Energy Physics - Theory · Physics 2020-05-20 Oscar J. C. Dias , Ramon Masachs , Olga Papadoulaki , Paul Rodgers

This is an introductory lecture note aiming at providing an overview of the AdS-CFT correspondence at weak 't Hooft coupling at finite temperature. The first aim of this note is to describe the equivalence of three interesting…

High Energy Physics - Theory · Physics 2008-06-30 Kazuyuki Furuuchi

Ultra-thin MoS2 has recently emerged as a promising two-dimensional semiconductor for electronic and optoelectronic applications. Here, we report high mobility (>60 cm2/Vs at room temperature) field-effect transistors that employ…

We report on a study of Seebeck coefficient and resistivity in the quasi-one-dimensional conductor (TMTSF)$_{2}$PF$_{6}$ extended deep into the Spin-Density-Wave(SDW) state. The metal-insulator transition at $T_{SDW}$ = 12 K leads to a…

Strongly Correlated Electrons · Physics 2016-03-01 Yo Machida , Xiao Lin , Woun Kang , Koichi Izawa , Kamran Behnia

Interface-induced superconductivity has recently been achieved by stacking a magnetic topological insulator layer on an antiferromagnetic FeTe layer. However, the mechanism driving this emergent superconductivity remains unclear. Here, we…

We investigate the thermodynamics and thermodynamic geometry of several Anti--de Sitter black hole solutions arising from nonlinear electromagnetic theories, namely the ModMax, nonlinear electrodynamics (NED), and Euler--Heisenberg AdS…

High Energy Physics - Theory · Physics 2026-03-16 Abhishek Baruah , Amijit Bhattacharjee , Prabwal Jyoti Phukon

The aim of this letter is to study the universal thermodynamics and criticality of charged AdS black holes with string clouds in the bulk and in the boundary conformal field theory (CFT). For this system, we determined the critical…

High Energy Physics - Theory · Physics 2025-04-30 Aditya Singh , Sandip Mahish

From our previously obtained shear viscosity to entropy density ratio ($\eta/s$) in the framework of clustering of color sources (Color String Percolation Model: CSPM), we calculate the jet quenching parameter $\hat {q}$ and trace anomaly…

Nuclear Theory · Physics 2016-03-23 J. Dias de Deus , A. S. Hirsch , C. Pajares , R. P. Scharenberg , B. K. Srivastava