Liquid-gas phase transition in finite nuclei

Details Liquid-gas phase transition in finite nuclei Liquid-gas phase transition in finite nuclei

1997-10-07

arxiv.org/abs/nucl-th/9710018v1

Nucl.Phys. A630 (1998) 192-199

Physics

Nuclear Physics

Nuclear Theory

Proc. of 6th Int. Conf. on N-N Collisions (Gatlinburg); Nuclear Physics A (in press)

Scientific paper

10.1016/S0375-9474(97)00756-2

In a finite temperature Thomas-Fermi framework, we calculate density distributions of hot nuclei enclosed in a freeze-out volume of few times the normal nuclear volume and then construct the caloric curve, with and without inclusion of radial collective flow. In both cases, the calculated specific heats $C_v$ show a peaked structure signalling a liquid-gas phase transition. Without flow, the caloric curve indicates a continuous phase transition whereas with inclusion of flow, the transition is very sharp. In the latter case, the nucleus undergoes a shape change to a bubble from a diffuse sphere at the transition temperature.

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