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We study the full temperature and chemical potential dependence of the D3/D5 2+1 dimensional theory in the presence of a magnetic field. The theory displays separate transitions associated with chiral symmetry breaking and melting of the…

High Energy Physics - Theory · Physics 2015-03-13 Nick Evans , Astrid Gebauer , Keun-Young Kim , Maria Magou

We study the dynamics of the chiral phase transition expected during the expansion of the quark-gluon plasma produced in a high energy hadron or heavy ion collision, using the $O(4)$ linear sigma model in the mean field approximation.…

High Energy Physics - Phenomenology · Physics 2008-02-03 Yuval Kluger

We study the chiral condensate at finite temperature in AdS/QCD in a time-dependent background, in which the position of the black-hole horizon $z_h$ changes with time, producing an increasing or decreasing temperature. Conformal invariance…

High Energy Physics - Phenomenology · Physics 2025-03-27 Floriana Giannuzzi , Stefano Nicotri

Nonequilibrium phase transition plays a pivotal role in a broad physical context from condensed matter to cosmology. Tracking the formation of non-equilibrium phases in condensed matter is challenging and requires a resolution of the…

Mesoscale and Nanoscale Physics · Physics 2019-11-15 Faran Zhou , Joseph Williams , Christos D. Malliakas , Mercouri G. Kanatzidis , Alexander F. Kemper , Chong-Yu Ruan

A novel holographic model of chiral symmetry breaking has been proposed by Kuperstein and Sonnenschein by embedding non-supersymmetric probe D7 and anti-D7 branes in the Klebanov-Witten background. We study the dynamics of the probe…

High Energy Physics - Theory · Physics 2015-06-04 M. Sohaib Alam , Vadim S. Kaplunovsky , Arnab Kundu

An appropriately oriented D3-D7-brane system is the holographic dual of relativistic Fermions occupying a 2+1-dimensional defect embedded in 3+1-dimensional spacetime. The Fermions interact via fields of ${\mathcal N}=4$ Yang-Mills theory…

High Energy Physics - Theory · Physics 2013-07-23 Hamid Omid , Gordon W. Semenoff

We study the dynamics of a second order phase transition in a situation thatmimics a sudden quench to a temperature below the critical temperature in a model with dynamical symmetry breaking. In particular we show that the domains of…

High Energy Physics - Phenomenology · Physics 2015-06-25 Paulo Bedaque , Ashok Das

We study gravity duals of large N non-supersymmetric gauge theories with matter in the fundamental representation by introducing a D7-brane probe into deformed AdS backgrounds. In particular, we consider a D7-brane probe in both the AdS…

High Energy Physics - Theory · Physics 2009-11-10 J. Babington , J. Erdmenger , N. Evans , Z. Guralnik , I. Kirsch

We study the dynamics of the chiral phase transition expected during the expansion of the quark-gluon plasma produced in a high energy hadron or heavy ion collision in the $O(4)$ linear sigma model to leading order in a large $N$ expansion…

High Energy Physics - Phenomenology · Physics 2007-05-23 Yuval Kluger

The chiral symmetry breaking ($\chi_{SB}$) is one of the most fundamental problems in QCD. In this paper, we calculate quark condensation analytically in a holographic QCD model dual to the Einstein-Maxwell-Dilaton (EMD) system coupled to a…

High Energy Physics - Theory · Physics 2021-02-24 Meng-Wei Li , Yi Yang , Pei-Hung Yuan

We consider a phenomenological holographic model, inspired by the D3/D7 system with a 2+1 dimensional intersection, at finite chemical potential and magnetic field. At large 't Hooft coupling the system is unstable and needs regularization;…

High Energy Physics - Theory · Physics 2016-02-17 Andrea Mezzalira , Andrei Parnachev

First, the chiral phase transition at nonzero temperature and baryon chemical potential is studied at mean field level in the sigma model that includes quark degrees of freedom explicitly. For small bare quark masses the critical point…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Mocsy

On the basis of the NJL model as an effective theory of QCD and analogies with condensed matter physics, we extract simple physical pictures of the chiral phase transition at finite temperature $T$ and/or chemical potential $\mu$ and…

High Energy Physics - Phenomenology · Physics 2011-04-15 Teiji Kunihiro

This study presents a detailed analysis of critical phenomena in a holographic Weyl semi-metal (WSM) using the $D3/D7$ brane configuration. The research explores the non-linear response of the longitudinal current \( J \) when subjected to…

High Energy Physics - Theory · Physics 2024-05-22 Masataka Matsumoto , Mirmani Mirjalali , Ali Vahedi

We introduce a model for the real-time evolution of a relativistic fluid of quarks coupled to non-equilibrium dynamics of the long wavelength (classical) modes of the chiral condensate. We solve the equations of motion numerically in 3+1…

Nuclear Theory · Physics 2009-11-10 K. Paech , H. Stocker , A. Dumitru

This presentation starts with a brief review of our current picture of QCD phases, derived from lattice QCD thermodynamics and from models based on the symmetries and symmetry breaking patterns of QCD. Typical approaches widely used in this…

Nuclear Theory · Physics 2015-06-03 Wolfram Weise

We study chiral symmetry breaking in the holographic D3-D7 system in a simple model with an arbitrary running coupling. We derive equations for the D7 embedding and show there is a light pion. In particular we present simple integral…

High Energy Physics - Phenomenology · Physics 2010-03-12 Raul Alvares , Nick Evans , Astrid Gebauer , George James Weatherill

We use Lorentzian signature AdS/CFT duality to study a first order phase transition in strongly coupled gauge theories which is akin to the chiral phase transition in QCD. We discuss the relation between the latent heat and the energy…

High Energy Physics - Theory · Physics 2015-03-17 Gerald Guralnik , Zachary Guralnik , Cengiz Pehlevan

We study phase transitions and critical phenomena in nonequilibrium steady states controlled by an electric field. We employ the D3/D7 model in the presence of a charge density and electric field at finite temperatures. The system undergoes…

High Energy Physics - Theory · Physics 2023-03-28 Daisuke Endo , Yuichi Fukazawa , Masataka Matsumoto , Shin Nakamura

Recent experiments on a one-dimensional chain of trapped alkali atoms [arXiv:1707.04344] have observed a quantum transition associated with the onset of period-3 ordering of pumped Rydberg states. This spontaneous $\mathbb{Z}_3$ symmetry…

Strongly Correlated Electrons · Physics 2018-08-14 Rhine Samajdar , Soonwon Choi , Hannes Pichler , Mikhail D. Lukin , Subir Sachdev