Screening mass responses to the chemical potential at finite temperature
QCD-TARO Collaboration: S. Choe, Ph. de Forcrand, M. Garc\'ia P\'erez,, S. Hioki, Y. Liu, H. Matsufuru, O. Miyamura, A. Nakamura, I.-O. Stamatescu,, T. Takaishi, and T. Umeda
TL;DR
This study investigates how the pseudoscalar meson screening mass and chiral condensate respond to chemical potential in lattice QCD at finite temperature, revealing different behaviors across phase transitions related to chiral symmetry.
Contribution
It provides the first detailed analysis of chemical potential responses of screening masses and condensates across the QCD phase transition using lattice simulations.
Findings
Distinct responses below and above T_c observed
Behavior linked to chiral symmetry breaking/restoration
Results enhance understanding of QCD phase structure
Abstract
Responses to chemical potential of the pseudoscalar meson screening mass and the chiral condensate in lattice QCD are investigated. On a lattice with two flavors of staggered quarks the first and second responses below and above are evaluated. Different behavior in the low and the high temperature phases are observed, which may be explained as a consequence of the chiral symmetry breaking and restoration.
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