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CP Violation in the Linear Sigma Model

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arxiv 0810.4115 v1 pith:RE44ZZ4K submitted 2008-10-22 hep-ph

Ana Júlia Mizher , Eduardo S. Fraga This is my paper · ORCID
classification hep-ph
keywords cp-oddheavylinearmodelsigmatransitionviolationaffected
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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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Cited by 1 Pith paper

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  1. CP violation in cold dense quark matter and axion effects on the non-radial oscillations of neutron stars

    hep-ph 2024-11 reject novelty 4.0 of 10

    Using a 3-flavor NJL model with axions, the authors find that a CP-violating angle theta=pi reduces the chiral transition density and, with a vector repulsion, yields stable hybrid neutron stars with enhanced f-mode o...

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