Heavy-ion collisions and fission dynamics with the time-dependent Hartree–Fock theory and its extensions

By C. Simenel, A. S. Umar. Progress in Particle and Nuclear Physics, 2018

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Abstract Microscopic methods and tools to describe nuclear dynamics have considerably been improved in the past few years. They are based on the time-dependent Hartree–Fock (TDHF) theory and its extensions to include pairing correlations and quantum fluctuations. The TDHF theory is the lowest level of approximation of a range of methods to solve the quantum many-body problem, showing its universality to describe many-fermion dynamics at the mean-field level. The range of applications of TDHF to describe realistic systems allowing for detailed comparisons with experiment has considerably increased. For instance, TDHF is now commonly used to investigate fusion, multi-nucleon transfer and quasi-fission reactions. Thanks to the inclusion of pairing correlations, it has also recently led to breakthroughs in our description of the saddle to scission evolution, and, in particular, the non-adiabatic effects near scission. Beyond mean-field approaches such as the time-dependent random-phase approximation (TDRPA) and stochastic mean-field methods have reached the point where they can be used for realistic applications. We review recent progresses in both techniques and applications to heavy-ion collision and fission.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/855a390ae801e511bb7afad1c88f6016168dc7c3

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In Nuclear and High Energy Physics

Citations in the corpus

Future of nuclear fission theory (2020, methodology): “As a dynamical process, quasifission is amenable to a description using the TDHF approach (Simenel and Umar 2018).”