Phase Transition of Hot Nuclear Matter

Chin. Phys. Lett.

2004, Vol. 21

Issue (1): 29-32 DOI:

Original Articles

Phase Transition of Hot Nuclear Matter

LI Zeng-Hua;ZUO Wei;LU Guang-Cheng

Institute of Modern Physics, Chinese Academy of Sciences, PO Box 31, Lanzhou 730000

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LI Zeng-Hua, ZUO Wei, LU Guang-Cheng 2004 Chin. Phys. Lett. 21 29-32

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Abstract Based on the difference between the Fermi distributions at zero temperature and at the finite temperature, we introduce the temperature-dependent three-body force (TBF) into the microscopic finite-temperature Brueckner-Hartree-Fock theory (FTBHF). In terms of the meson-exchange current approach, i.e. the one boson exchange (OBE) approximation, the exchange of four important mesons π, ρ, σ and ω are considered. Using the FTBHF theory including TBF, we describe the critical temperature of the liquid-gas phase transition for symmetric nuclear matter and discuss its change trend with the increasing asymmetry parameter. Compared to the result excluding TBF, the value of the critical temperature turns out to be smaller.

Keywords: 05.70.Fh 05.70.Ce

Published: 01 January 2004

PACS:	05.70.Fh	(Phase transitions: general studies)
	05.70.Ce	(Thermodynamic functions and equations of state)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2004/V21/I1/029

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