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CP Violation in the Linear Sigma Model

2008/10/22 by Ana Júlia Mizher, Eduardo S. Fraga · 10 citations
Chemistry · Physics and Astronomy · #Chemistry #Collision #Computer science #Condensed matter physics #Heavy ion #High-Energy Particle Collisions Research #Ion #Nonlinear system #Particle physics #Particle physics theoretical and experimental studies #Phase transition #Physics #Quantum Chromodynamics and Particle Interactions #Quantum mechanics #Quark #Sigma #Sigma model #hep-ph

paper · pdf · doi:10.1016/j.nuclphysa.2009.01.061

published in Nuclear Physics A 820(1-4), 247c-250c (Elsevier BV) · 4 pages

arxiv created 2008/10/22 · openalex publication_date 2009/03/19 · arxiv updated 2010/04/21 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

Motivated by the possibility of the formation of CP-odd domains in heavy ion collisions, we investigate the effects of CP violation on the chiral transition within the linear sigma model with two flavors of quarks. We also study how the CP-odd system is affected by the presence of a strong magnetic field, that is presumably generated in a non-central heavy ion collision. We find that both ingredients play an important role, influencing drastically the nature of the phase transition and the critical temperature.

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