Phase diagram of Nambu-Jona-Lasinio model with dimensional regularization

Details Phase diagram of Nambu-Jona-Lasinio model with dimensional regularization Phase diagram of Nambu-Jona-Lasinio model with dimensional regularization

2012-02-23

arxiv.org/abs/1202.5220v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 9 figures

Scientific paper

We investigate the phase diagram on temperature-chemical potential plane in the Nambu-Jona-Lasinio model with the dimensional regularization. While the structure of the resulting diagram shows resemblance to the one in the frequently used cutoff regularization, some results of our study indicate striking difference between these regularizations. The diagram in the dimensional regularization exhibits strong tendency of the first order phase transition.

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