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Related papers: Holographic zero sound at finite temperature

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Quantum liquids are characterized by the distinctive properties such as the low temperature behavior of heat capacity and the spectrum of low-energy quasiparticle excitations. In particular, at low temperature, Fermi liquids exhibit the…

High Energy Physics - Theory · Physics 2009-02-07 A. Karch , D. T. Son , A. O. Starinets

In this paper, we study the fate of the holographic zero sound mode at finite temperature and non-zero baryon density in the deconfined phase of the Sakai-Sugimoto model of holographic QCD. We establish the existence of such a mode for a…

High Energy Physics - Theory · Physics 2014-05-02 Brandon S. DiNunno , Matthias Ihl , Niko Jokela , Juan F. Pedraza

We use holography to study sound modes of strongly-interacting conformal field theories with non-zero temperature, $T$, and $U(1)$ chemical potential, $\mu$. Specifically, we consider charged black brane solutions of Einstein gravity in…

High Energy Physics - Theory · Physics 2018-11-14 Nikola I. Gushterov , Andy O'Bannon , Ronnie Rodgers

We study collective excitations of cold (2+1)-dimensional fundamental matter living on a defect of the four-dimensional N=4 super Yang-Mills theory in the Higgs branch. This system is realized holographically as a D3-D5 brane intersection,…

High Energy Physics - Theory · Physics 2015-06-23 Georgios Itsios , Niko Jokela , Alfonso V. Ramallo

We investigate the signatures of Fermi liquid formation in the N=4 super Yang-Mills theory coupled to fundamental hypermultiplet at nonvanishing chemical potential for the global U(1) vector symmetry. At strong 't Hooft coupling the system…

High Energy Physics - Theory · Physics 2008-11-26 Manuela Kulaxizi , Andrei Parnachev

We use holography to study N=4 supersymmetric SU(Nc) Yang-Mills theory in the large-Nc and large-coupling limits coupled to a number Nf << Nc of (n+1)-dimensional massless supersymmetric hypermultiplets in the Nc representation of SU(Nc),…

High Energy Physics - Theory · Physics 2013-06-26 Daniel K. Brattan , Richard A. Davison , Simon A. Gentle , Andy O'Bannon

We use holographic techniques to study SU(Nc) super Yang-Mills theory coupled to Nf << Nc flavours of fundamental matter at finite temperature and baryon density. We focus on four dimensions, for which the dual description consists of Nf…

High Energy Physics - Theory · Physics 2010-10-27 Shinpei Kobayashi , David Mateos , Shunji Matsuura , Robert C. Myers , Rowan M. Thomson

We study the collective excitations of holographic quantum liquids formed in the low energy theory living at the intersection of two sets of D-branes. The corresponding field theory dual is a supersymmetric Yang-Mills theory with massless…

High Energy Physics - Theory · Physics 2015-07-22 Niko Jokela , Alfonso V. Ramallo

We consider the $D4-D8-\bar{D8}$ brane system which serves as ultraviolet completion of the Nambu-Jona-Lasinio model, where the only degrees of freedom carrying baryon charge are fermions. By turning on chemical potential for this charge…

High Energy Physics - Theory · Physics 2009-03-31 Manuela Kulaxizi , Andrei Parnachev

Recently holographic techniques have been used to study the thermal properties of N=2 super-Yang-Mills theory, with gauge group SU(Nc) and coupled to Nf << Nc flavours of fundamental matter, at large Nc and large 't Hooft coupling. Here we…

High Energy Physics - Theory · Physics 2009-11-18 David Mateos , Shunji Matsuura , Robert C. Myers , Rowan M. Thomson

We consider a simple class of holographic massive gravity models for which the dual field theories break translational invariance spontaneously. We study, in detail, the longitudinal sector of the quasi-normal modes at zero charge density.…

High Energy Physics - Theory · Physics 2020-01-08 Martin Ammon , Matteo Baggioli , Seán Gray , Sebastian Grieninger

We construct the gravity dual of $d=4$, $\mathcal{N}=4$, SU($N_\rm{c}$) super Yang-Mills theory, coupled to $N_\rm{f}$ flavors of dynamical quarks, at non-zero temperature $T$ and non-zero quark density $N_\rm{q}$. The supergravity…

High Energy Physics - Theory · Physics 2019-07-02 Anton F. Faedo , David Mateos , Christiana Pantelidou , Javier Tarrio

One way to model the strange metal phase of certain materials is via a holographic description in terms of probe D-branes in a Lifshitz spacetime, characterised by a dynamical exponent z. The background geometry is dual to a…

High Energy Physics - Theory · Physics 2010-10-11 Carlos Hoyos-Badajoz , Andy O'Bannon , Jackson M. S. Wu

We use gauge-gravity duality to study the stability of zero-temperature, finite baryon density states of N=4 supersymmetric SU(Nc) Yang-Mills theory coupled to a single massive fundamental-representation N=2 hypermultiplet in the large-Nc…

High Energy Physics - Theory · Physics 2012-10-09 Martin Ammon , Johanna Erdmenger , Shu Lin , Steffen Muller , Andy O'Bannon , Jonathan P. Shock

We investigate zero sound in $D$-dimensional effective holographic theories, whose action is given by Einstein-Maxwell-Dilaton terms. The bulk spacetimes include both zero temperature backgrounds with anisotropic scaling symmetry and their…

High Energy Physics - Theory · Physics 2010-12-01 Bum-Hoon Lee , Da-Wei Pang , Chanyong Park

We investigate and classify Fermi surface behavior for a set of fermionic modes in a family of backgrounds holographically dual to N=4 Super-Yang-Mills theory at zero temperature with two distinct chemical potentials. We numerically solve…

High Energy Physics - Theory · Physics 2013-05-30 Oliver DeWolfe , Steven S. Gubser , Christopher Rosen

The theta-dependent gauge theories can be studied by using holographic duality through string theory on certain spacetimes. Via this correspondence we consider a stack of $N_{0}$ dynamical D0-branes as D-instantons in the background sourced…

High Energy Physics - Theory · Physics 2019-12-30 Si-wen Li

In phases where translations are spontaneously broken, new gapless degrees of freedom appear in the low energy spectrum (the phonons). At long wavelengths, they couple to small fluctuations of the conserved densities of the system. This…

High Energy Physics - Theory · Physics 2020-01-08 Andrea Amoretti , Daniel Areán , Blaise Goutéraux , Daniele Musso

Certain holographic states of matter with a global U(1) symmetry support a sound mode at zero temperature, caused neither by spontaneous symmetry breaking of the global U(1) nor by the emergence of a Fermi surface in the infrared. In this…

High Energy Physics - Theory · Physics 2023-12-14 Richard A. Davison , Blaise Goutéraux , Eric Mefford

We use the AdS/CFT correspondence to study the thermodynamics of massive N=2 supersymmetric hypermultiplets coupled to N=4 supersymmetric SU(Nc) Yang-Mills theory in the limits of large Nc and large 't Hooft coupling. In particular, we…

High Energy Physics - Theory · Physics 2009-11-18 Andreas Karch , Andy O'Bannon
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