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Mean-field approximation for the chiral soliton in a chiral phase transition

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arxiv 1401.1021 v4 pith:PC3KOE5K submitted 2014-01-06 hep-ph nucl-th

classification hep-phnucl-th
keywords chiralrestorationsolitonapproximationbeforedifferentmean-fieldboundary
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In the mean-field approximation we study the chiral soliton within the linear sigma model in a thermal vacuum. The chiral soliton equations with different boundary conditions are solved at finite temperatures and densities. The solitons are discussed before and after the chiral restoration. We find that the system has soliton solutions even after the chiral restoration and they are very different from those before the chiral restoration, which indicates that the quarks are still bounded after the chiral restoration.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  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.

  2. The nucleon properties in finite temperature and density with vector meson

    hep-ph 2024-12 conditional novelty 5.0 of 10

    Adding omega vector repulsion to the quark-meson soliton model increases nucleon mass and radius and reduces the energy gap to three free quarks, signaling instability.

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