Local three-nucleon interaction from chiral effective field theory

Details Local three-nucleon interaction from chiral effective field theory Local three-nucleon interaction from chiral effective field theory

2007-07-31

arxiv.org/abs/0707.4680v1

FewBodySyst.41:117-140,2007

Physics

Nuclear Physics

Nuclear Theory

17 pages, 9 figures

Scientific paper

10.1007/s00601-007-0193-3

The three-nucleon (NNN) interaction derived within the chiral effective field theory at the next-to-next-to-leading order (N2LO) is regulated with a function depending on the magnitude of the momentum transfer. The regulated NNN interaction is then local in the coordinate space, which is advantages for some many-body techniques. Matrix elements of the local chiral NNN interaction are evaluated in a three-nucleon basis. Using the ab initio no-core shell model (NCSM) the NNN matrix elements are employed in 3H and 4He bound-state calculations.

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