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Responses of hadrons to the chemical potential at finite temperature

Authors
  • Choe, S.
  • De Forcrand, P.
  • Garcia Perez, M.
  • Hioki, S.
  • Liu, Y.
  • Matsufuru, H.
  • Miyamura, O.
  • Nakamura, A.
  • Stamatescu, I.O.
  • Takaishi, T.
  • Umeda, T.
Publication Date
Jul 02, 2001
Identifiers
DOI: 10.1103/PhysRevD.65.054501
OAI: oai:cds.cern.ch:507232
Source
CERN Document Server
Keywords
Language
English
License
Unknown
External links

Abstract

We present a framework to compute the responses of hadron masses to the chemical potential in lattice QCD simulations. As a first trial, the screening mass of the pseudoscalar meson and its first and second responses are evaluated. We present results on a $16\times 8^2\times 4$ lattice with two flavors of staggered quarks below and above $T_c$. The responses to both the isoscalar and isovector chemical potentials are obtained. They show different behavior in the low and the high temperature phases, which may be explained as a consequence of chiral symmetry breaking and restoration, respectively.

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