Perturbative Effective Theory in an Oscillator Basis?

Details Perturbative Effective Theory in an Oscillator Basis? Perturbative Effective Theory in an Oscillator Basis?

2002-04-29

arxiv.org/abs/nucl-th/0204072v1

Phys.Rev.Lett. 89 (2002) 182503

Physics

Nuclear Physics

Nuclear Theory

10 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.89.182503

The effective interaction/operator problem in nuclear physics is believed to be highly nonperturbative, requiring extended high-momentum spaces for accurate solution. We trace this to difficulties that arise at both short and long distances when the included space is defined in terms of a basis of harmonic oscillator Slater determinants. We show, in the simplest case of the deuteron, that both difficulties can be circumvented, yielding highly perturbative results in the potential even for modest (~6hw) included spaces.

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