dorsal/arxiv
View SchemaLow-momentum interaction in few-nucleon systems
| Authors | Andreas Nogga, Scott K. Bogner, Achim Schwenk |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0405016 |
| URL | https://arxiv.org/abs/nucl-th/0405016 |
| DOI | 10.1103/PhysRevC.70.061002 |
| Journal | Phys.Rev. C70 (2004) 061002 |
Abstract
The effective low-momentum interaction Vlowk is applied to three- and four-nucleon systems. We investigate the 3H, 3He and 4He binding energies for a wide range of the momentum cutoffs. By construction, all low-energy two-body observables are cutoff-independent, and therefore, any cutoff dependence is due to missing three-body or higher-body forces. We argue that for reasonable cutoffs Vlowk is similar to high-order interactions derived from chiral effective field theory. This motivates augmenting Vlowk by corresponding three-nucleon forces. The set of low-momentum twoand three-nucleon forces can be used in calculations of nuclear structure and reactions.
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"abstract": "The effective low-momentum interaction Vlowk is applied to three- and\nfour-nucleon systems. We investigate the 3H, 3He and 4He binding energies for a\nwide range of the momentum cutoffs. By construction, all low-energy two-body\nobservables are cutoff-independent, and therefore, any cutoff dependence is due\nto missing three-body or higher-body forces. We argue that for reasonable\ncutoffs Vlowk is similar to high-order interactions derived from chiral\neffective field theory. This motivates augmenting Vlowk by corresponding\nthree-nucleon forces. The set of low-momentum twoand three-nucleon forces can\nbe used in calculations of nuclear structure and reactions.",
"arxiv_id": "nucl-th/0405016",
"authors": [
"Andreas Nogga",
"Scott K. Bogner",
"Achim Schwenk"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevC.70.061002",
"journal_ref": "Phys.Rev. C70 (2004) 061002",
"title": "Low-momentum interaction in few-nucleon systems",
"url": "https://arxiv.org/abs/nucl-th/0405016"
},
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