Thermal properties of O16 and Ca40 with a realistic effective Hamiltonian

G. Bozzolo and J. P. Vary
Phys. Rev. C 31, 1909 – Published 1 May 1985
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Abstract

A realistic microscopic effective nuclear Hamiltonian, Heff, is employed with the spherical finite temperature Hartree-Fock approximation to evaluate the thermodynamic properties of O16 and Ca40. We introduce a simple method to scale Heff to accommodate the A-dependent effects. We then adjust the Hamiltonian slightly to reproduce appropriate ground state properties within spherical Hartree-Fock theory. A range of acceptable temperatures for each model space size can then be determined. The binding energy, free energy, density distributions, entropy, neutron and proton chemical potentials and single particle energies, occupation probabilities, and other properties are evaluated for temperatures T≤7 MeV. We provide convenient parametrizations for the excitation energy, rms radius, average density, and entropy as a function of T. We find the thermal response of these nuclei to be substantially greater than that obtained with zero range phenomenological forces.

  • Received 1 October 1984

DOI:https://doi.org/10.1103/PhysRevC.31.1909

©1985 American Physical Society

Authors & Affiliations

G. Bozzolo and J. P. Vary

  • Department of Physics, Iowa State University, Ames, Iowa 50011

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Issue

Vol. 31, Iss. 5 — May 1985

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