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Related papers: Fermionic Halos at Finite Temperature in AdS/CFT

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We construct composite CFT operators from a large number of fermionic primary fields corresponding to states that are holographically dual to a zero temperature Fermi gas in AdS space. We identify a large N regime in which the fermions…

High Energy Physics - Theory · Physics 2011-02-03 Xerxes Arsiwalla , Jan de Boer , Kyriakos Papadodimas , Erik Verlinde

In this work we study fluctuations and dissipation of a string in a deformed anti-de Sitter (AdS) space at finite temperature and density. The deformed AdS space is a charged black hole solution of the Einstein-Maxwell-Dilaton action. In…

High Energy Physics - Theory · Physics 2022-01-12 Nathan G. Caldeira , Eduardo Folco Capossoli , Carlos A. D. Zarro , Henrique Boschi-Filho

We show that particle-hole pairing is realized in the background of a charged black hole in magnetic field. The pairing instability occurs for sufficiently large fermion charges, which correspond to the Fermi liquid regime. The critical…

High Energy Physics - Theory · Physics 2010-11-17 E. Gubankova

We study the phases of strongly correlated electron systems in two spatial dimensions in the framework of AdS${}_4$/CFT${}_3$ correspondence. The AdS (gravity) model consists of a Dirac fermion coupled to electromagnetic field and gravity.…

High Energy Physics - Theory · Physics 2015-09-29 Mariya V. Medvedyeva , Elena Gubankova , Mihailo Čubrović , Koenraad Schalm , Jan Zaanen

We study the Fermi level structure of 2+1-dimensional strongly interacting electron systems in external magnetic field using the AdS/CFT correspondence. The gravity dual of a finite density fermion system is a Dirac field in the background…

High Energy Physics - Theory · Physics 2013-05-29 E. Gubankova , J. Brill , M. Cubrovic , K. Schalm , P. Schijven , J. Zaanen

A holographic dual description of a 2+1 dimensional system of strongly interacting fermions at low temperature and finite charge density is given in terms of an electron cloud suspended over the horizon of a charged black hole in…

High Energy Physics - Theory · Physics 2015-03-17 V. Giangreco M. Puletti , S. Nowling , L. Thorlacius , T. Zingg

We investigate black hole formation by a spherically collapsing thin shell of matter in AdS space. This process has been suggested to have a holographic interpretation as thermalization of the CFT on the boundary of the AdS space. The…

High Energy Physics - Theory · Physics 2009-10-31 Ulf H. Danielsson , Esko Keski-Vakkuri , Martin Kruczenski

This is a short review of recent developments in the application of AdS/CFT methods to some condensed matter problems. In particular we present the holographic description of a local quantum critical state, related to (non)-Fermi liquids…

High Energy Physics - Theory · Physics 2012-06-21 Francesco Benini

In this work we study the possibility of modeling the dark matter content in galaxies as a core-halo model consisting of self-gravitating, self-interacting fermions. For the core of the halo, the dark matter fermions are degenerate, while…

High Energy Physics - Phenomenology · Physics 2025-12-03 Fabian Hernandez-Gutierrez , Juan Barranco

The AdS/CFT correspondence relates certain strongly coupled CFTs with large effective central charge $c_\text{eff}$ to semi-classical gravitational theories with AdS asymptotics. We describe recent progress in understanding gravity duals…

High Energy Physics - Theory · Physics 2014-03-05 Donald Marolf , Mukund Rangamani , Toby Wiseman

The formation and stability of collisionless self-gravitating systems are long standing problems, which date back to the work of D. Lynden-Bell on violent relaxation and extends to the issue of virialization of dark matter (DM) halos. An…

Astrophysics of Galaxies · Physics 2021-06-07 Carlos R. Argüelles , Manuel I. Díaz , Andreas Krut , Rafael Yunis

I review two classes of strong coupling problems in condensed matter physics, and describe insights gained by application of the AdS/CFT correspondence. The first class concerns non-zero temperature dynamics and transport in the vicinity of…

High Energy Physics - Theory · Physics 2015-05-18 Subir Sachdev

We study the Fermi level structure of (2+1)-dimensional strongly interacting electron systems in external magnetic field using the AdS/CFT correspondence. The gravity dual of a finite density fermion system is a Dirac field in the…

High Energy Physics - Theory · Physics 2015-06-15 E. Gubankova , J. Brill , M. Cubrovic , K. Schalm , P. Schijven , J. Zaanen

For a real massless scalar field in general relativity with a negative cosmological constant, we uncover a large class of spherically symmetric initial conditions that are close to AdS, but whose numerical evolution does not result in black…

High Energy Physics - Theory · Physics 2014-08-14 Venkat Balasubramanian , Alex Buchel , Stephen R. Green , Luis Lehner , Steven L. Liebling

Essay selected for Honorable mention 2014 by the Gravity Research Foundation. We study an isothermal system of semi-degenerate self-gravitating fermions in General Relativity (GR). The most general solutions present mass density profiles…

Astrophysics of Galaxies · Physics 2014-11-12 Carlos R. Argüelles , Remo Ruffini

We investigate the fermionic perturbations of the asymptotically AdS background known as holographic neutron star, which represents a highly degenerate state of strongly coupled fermions on a sphere at finite temperature. We calculate the…

High Energy Physics - Theory · Physics 2025-06-23 Lucas Acito , Tobías Canavesi , Nicolás Grandi , Adrián Lugo

We develop a thermodynamical model of fermionic dark matter halos at finite temperature. Statistical equilibrium states may be justified by a process of violent collisionless relaxation in the sense of Lynden-Bell or from a collisional…

General Relativity and Quantum Cosmology · Physics 2022-09-07 Pierre-Henri Chavanis

We propose a unified model for dark matter haloes and central galactic objects as a self-gravitating system of semidegenerated fermions in thermal equilibrium. We consider spherical symmetry and then we solve the equations of gravitational…

Cosmology and Nongalactic Astrophysics · Physics 2014-01-29 Bernardo M. O. Fraga , Carlos R. Arguelles , Remo Ruffini

We study the thermodynamics of a self-gravitating system of neutral fermions at finite temperature and analyze its backreaction in an asymptotically AdS space. We evaluate numerically the free entropy as a function of temperature, and…

High Energy Physics - Theory · Physics 2021-01-07 Carlos R. Argüelles , Tobías Canavesi , Manuel Díaz , Nicolás Grandi

In this paper, we study the thermodynamic behavior of charged AdS black holes in a conformal holographic extended thermodynamic. Our setup is constructed using a new dictionary that relates AdS black hole quantities to the corresponding…

High Energy Physics - Theory · Physics 2024-03-26 Yahya Ladghami , Taoufik Ouali
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