Quantum Monte Carlo calculations of light nuclei with local chiral two- and 
three-nucleon interactions

Lynn, J. E.; Tews, I.; Carlson, J.; Gandolfi, S.; Gezerlis, A.; Schmidt, K. E.; Schwenk, Achim

doi:10.1103/PhysRevC.96.054007

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Quantum Monte Carlo calculations of light nuclei with local chiral two- and three-nucleon interactions

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Schwenk, Achim
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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引用

Lynn, J. E., Tews, I., Carlson, J., Gandolfi, S., Gezerlis, A., Schmidt, K. E., & Schwenk, A. (2017). Quantum Monte Carlo calculations of light nuclei with local chiral two- and three-nucleon interactions. Physical Review C, 96(5):. doi:10.1103/PhysRevC.96.054007.

引用: https://hdl.handle.net/21.11116/0000-0001-0074-C

要旨

Local chiral effective field theory interactions have recently been developed and used in the context of quantum Monte Carlo few- and many-body methods for nuclear physics. In this work, we go over detailed features of local chiral nucleon-nucleon interactions and examine their effect on properties of the deuteron, paying special attention to the perturbativeness of the expansion. We then turn to three-nucleon interactions, focusing on operator ambiguities and their interplay with regulator effects. We then discuss the nuclear Green's function Monte Carlo method, going over both wave-function correlations and approximations for the two- and three-body propagators. Following this, we present a range of results on light nuclei: Binding energies and distribution functions are contrasted and compared, starting from several different microscopic interactions.