Phys. Rev. C 50, R563 - R565 (1994)Heat capacity of a Fermi system and multifragmentation of nuclei |
R. Donangelo, H. Schulz, K. Sneppen, and S. R. Souza
1Instituto de Física, Universidade Federal do Rio de Janeiro, C.P. 68528, 21945-970 Rio de Janeiro, Brazil
2The Niels Bohr Institute, Blegdamsvej 17, 2100 Copenhagen, Denmark
3Laboratoire National Saturne, 91191 Gif-sur-Yvette Cedex, France
We show that the momentum-dependent potentials employed in molecular dynamical models of nucleus-nucleus collisions to simulate the effects of the Pauli principle do not sufficiently restrict the nucleonic degrees of freedom. This leads to an overprediction of the nuclear heat capacity which is shown to strongly hinder the multifragmentation process.
©1994 The American Physical Society
URL: http://link.aps.org/abstract/PRC/v50/pR563
DOI: 10.1103/PhysRevC.50.R563
PACS: 25.70.Mn, 05.70.-a, 02.70.Ns
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