Published May 18, 2015 | Version v1
Journal article

The masses of vector mesons in holographic QCD at finite chiral chemical potential

  • 1. V.A. Fock Department of Theoretical Physics, Saint-Petersburg State University, 1 ul. Ulyanovskaya, 198504 St. Petersburg (Russian Federation)
  • 2. Departament d'Estructura i Constituents de la Matèria and Institut de Ciències del Cosmos (ICCUB), Universitat de Barcelona, Marti Franquès 1, 08028 Barcelona (Spain)

Description

Central heavy-ion collisions may induce sizeable fluctuations of the topological charge. This effect is expected to distort the dispersion relation for the hadron masses. We construct a general setup for a compact description of this phenomenon in the framework of bottom-up holographic approach to QCD. A couple of soft wall holographic models are proposed for the vector mesons. The states having different circular polarizations are shown to have different effective mass. The requirement of stability imposes strong constraints on the possible choice of models

Availability note (English)

Available from http://dx.doi.org/10.1016/j.physletb.2015.04.027

Additional details

Identifiers

DOI
10.1016/j.physletb.2015.04.027;
arXiv
arXiv:1503.08606v1;
PII
S0370-2693(15)00270-1;

Publishing Information

Journal Title
Physics Letters. Section B
Journal Volume
745
Journal Page Range
p. 52-55
ISSN
0370-2693
CODEN
PYLBAJ

Optional Information

Copyright
Copyright (c) 2015 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.