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High Energy Physics - Lattice

arXiv:hep-lat/0501001 (hep-lat)
[Submitted on 3 Jan 2005 (v1), last revised 9 Feb 2005 (this version, v2)]

Title:Monte Carlo simulations of the NJL model near the nonzero temperature phase transition

Authors:Costas Strouthos, Stavros Christofi
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Abstract: We present results from numerical simulations of the Nambu-Jona-Lasinio model with an SU(2)xSU(2) chiral symmetry and N_c=4,8, and 16 quark colors at nonzero temperature. We performed the simulations by utilizing the hybrid Monte Carlo and hybrid Molecular Dynamics algorithms. We show that the model undergoes a second order phase transition. The critical exponents measured are consistent with the classical 3d O(4) universality class and hence in accordance with the dimensional reduction scenario. We also show that the Ginzburg region is suppressed by a factor of 1/N_c in accordance with previous analytical predictions.
Comments: 18 pages, 6 figures
Subjects: High Energy Physics - Lattice (hep-lat); High Energy Physics - Phenomenology (hep-ph); Nuclear Theory (nucl-th)
Cite as: arXiv:hep-lat/0501001
  (or arXiv:hep-lat/0501001v2 for this version)
  https://doi.org/10.48550/arXiv.hep-lat/0501001
Journal reference: JHEP0501:057,2005
Related DOI: https://doi.org/10.1088/1126-6708/2005/01/057

Submission history

From: Costas Strouthos [view email]
[v1] Mon, 3 Jan 2005 10:48:57 UTC (112 KB)
[v2] Wed, 9 Feb 2005 12:37:18 UTC (112 KB)
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