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Direct local parametrization of nuclear state densities using the back-shifted Bethe formula
C. Özen, Y. Alhassid
Level densities are often parametrized using the back-shifted Bethe formula (BBF) for nuclei that possess experimental data for s-wave neutron resonance average spacings and a comp…
Auxiliary-field quantum Monte Carlo methods in nuclei
Y. Alhassid
Auxiliary-field quantum Monte Carlo methods enable the calculation of thermal and ground state properties of correlated quantum many-body systems in model spaces that are many orde…
The shell model Monte Carlo approach to level densities: recent developments and perspectives
Y. Alhassid
We review recent advances in the shell model Monte Carlo approach for the microscopic calculation of statistical and collective properties of nuclei. We discuss applications to the…
Collectivity in Heavy Nuclei in the Shell Model Monte Carlo Approach
C. Özen, Y. Alhassid, H. Nakada
The microscopic description of collectivity in heavy nuclei in the framework of the configuration-interaction shell model has been a major challenge. The size of the model space re…
Signatures of phase transitions in nuclei at finite excitation energies
Y. Alhassid, C. Özen, H. Nakada
The mean-field approximation predicts pairing and shape phase transitions in nuclei as a function of temperature or excitation energy. However, in the finite nucleus the singularit…