Phase Transition in Warm Nuclear Matter with Alternative Derivative Coupling Models

Details Phase Transition in Warm Nuclear Matter with Alternative Derivative Coupling Models Phase Transition in Warm Nuclear Matter with Alternative Derivative Coupling Models

1996-06-07

arxiv.org/abs/nucl-th/9606014v1

Phys.Rev.C58:426-433,1998

Physics

Nuclear Physics

Nuclear Theory

10 pages latex file, 2 tables and 7 Postscript figures

Scientific paper

10.1103/PhysRevC.58.426

An analysis is performed of the liquid-gas phase transition of nuclear matter obtained from different versions of scalar derivate coupling suggested by Zimanyi and Moszkowski (ZM) and the results are compared with those obtained from the Walecka model. We present the phase diagram for the models and one of them, the ZM3 model, has the lowest critical temperature $T_c=13.6$ MeV with the lowest critical density $\rho_c=0.037$ f$m^{-3}$ and pressure $p_c=0.157$ MeV f$m^{-3}$. These results are in accord with recent observations from energetic heavy-ion collisions, which suggest a small liquid-gas phase region.

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