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Microscopic systems with and without Coulomb interaction, fragmentation and phase transitions in finite nuclei |
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| Authors: | J.M. Carmona J. Richert P. Wagner |
| Affiliation: | (1) Dipartimento di Fisica dell'Università and INFN, I-56127 Pisa, Italy, IT;(2) Laboratoire de Physique Théorique, UMR 7085, Université Louis Pasteur, 3, rue de l'Université, 67084 Strasbourg Cedex, France, FR;(3) Institut de Recherches Subatomiques, UMR 7500, BP28, 67037 Strasbourg Cedex 2, France, FR |
| Abstract: | We test the influence of the Coulomb interaction on the thermodynamic and cluster generation properties of a system of classical particles described by different lattice models. Numerical simulations show that the Coulomb interaction produces essentially a shift in temperature of quantities like the specific heat but not qualitative changes. We also consider a cellular model. The thermodynamic properties of the system are qualitatively unaltered. Received: 7 November 2000 / Accepted: 17 May 2001 |
| Keywords: | PACS. 05.70.Ce Thermodynamics functions and equations of state – 64.60.Cn Order-disorder transformations statistical mechanics of model systems |
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