September 15, 2014 to October 10, 2014
Nordita, Stockholm
Europe/Stockholm timezone

Computational challenges in modern nuclear physics

Sep 26, 2014, 9:30 AM
132:028 (Nordita, Stockholm)


Nordita, Stockholm


Luis Robledo Zao-Chun Gao


Luis Robledo Computational challenges in nuclear EDF calculations. ----------------------------------------------------------------------- Zao-Chun Gao Overlaps and matrix elements of physical operators between arbitrary HFB states. Beyond mean field methods have been widely used in various many-body quantum systems. However, there still are some problems to be solved in the implementation of beyond mean field calculations. Especially for systems with large number of particles, such as heavy nuclei, the efficiency of beyond mean field calculations becomes a very serious problem. Recently, we have tried to figure out a convenient way of calculating the overlap between arbitrary HFB vacua [1]. We also found some compact formulae for the matrix elements of physical operators (e.g. Hamiltonian) between arbitrary HFB multiquasiparticle states [2]. These formulae may reduce the computational time by several orders of magnitude when applied to many-body quantum system in a large Fock space. [1] Zao-Chun Gao, Qing-Li Hu, Y. S. Chen Physics Letters B 732 (2014)360. [2] Qing-Li Hu, Zao-Chun Gao, Y. S. Chen Physics Letters B 734 (2014)162.

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