期刊
MODERN PHYSICS LETTERS A
卷 32, 期 40, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217732317502224
关键词
Fierz transformation; gap equation; critical end point
资金
- National Science Foundation of China [11535005, 11175088]
Three representations of Nambu-Jona-Lasinio interaction Lagrangians are constructed by Fierz transformation, and gap equation and critical end point in these three representations at finite temperature and finite chemical potential are studied. We find that the values of the quark mass and the critical end point are different in these three representations because of the consideration of Hartree-Fock approximation in our calculation.
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