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Critical Points in the Linear Sigma Model with Quarks

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arxiv 0810.0042 v1 pith:4T7SBIRP submitted 2008-09-30 nucl-th

classification nucl-th
keywords criticalmassmodelphasepionpointsquarkstemperature
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We employ a simple effective model to study the chiral dynamics of two flavors of quarks at finite temperature and density. In particular, we determine the phase diagram in the plane of temperature and baryon chemical potential as a function of the pion mass. An interesting phase structure occurs which results in zero, one or two critical points depending on the value of the vacuum pion mass.

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  1. The nucleon properties in finite temperature and density with Gaussian fluctuations

    hep-th 2024-12 conditional novelty 6.0 of 10

    Gaussian fluctuations make the quark meson model predict a non-monotonic nucleon mass and a faster-growing nucleon radius as temperature and density increase.

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