regularization methods for nuclear lattice effective field theory
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ID: 200705
2015
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Abstract
We investigate Nuclear Lattice Effective Field Theory for the two-body system for several lattice spacings at lowest order in the pionless as well as in the pionful theory. We discuss issues of regularizations and predictions for the effective range expansion. In the pionless case, a simple Gaussian smearing allows to demonstrate lattice spacing independence over a wide range of lattice spacings. We show that regularization methods known from the continuum formulation are necessary as well as feasible for the pionful approach.
| Reference Key |
klein2015physicsregularization
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|---|---|
| Authors | ;Nico Klein;Dean Lee;Weitao Liu;Ulf-G. Meißner |
| Journal | ACS chemical biology |
| Year | 2015 |
| DOI |
10.1016/j.physletb.2015.06.040
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