Thermodynamical properties of a mean-field plus pairing model and applications for the Fe nuclei

1998/04/30 by S. Rombouts, K. Heyde, N. Jachowicz · 5 citations
Earth and Planetary Sciences · Physics and Astronomy · #High-pressure geophysics and materials #Nuclear physics research studies #Quantum Chromodynamics and Particle Interactions #nucl-th

paper · pdf · doi:10.1103/physrevc.58.3295

published as Phys.Rev.C58:3295-3304,1998 · 23 pages, including 17 eps figures

arxiv created 1998/09/17 · openalex publication_date 1998/12/01 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

A mean-field plus pairing model for atomic nuclei in the Fe region was studied using a finite-temperature quantum Monte Carlo method. We present results for thermodynamical quantities such as the internal energy and the specific heat. These results give indications of a phase transition related to the pairing among nucleons, around temperatures of 0.7 MeV. The influence of the residual interaction and of the size of the model space on the nuclear level densities is discussed too.

Citations

• Fractal decomposition of exponential operators with applications to many-body theories and Monte Carlo simulations
• Monte Carlo sampling methods using Markov chains and their applications

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