dorsal/arxiv
View SchemaTowards Density Functional Calculations from Nuclear Forces
| Authors | A. Schwenk, J. Polonyi |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0403011 |
| URL | https://arxiv.org/abs/nucl-th/0403011 |
Abstract
We propose a method for microscopic calculations of nuclear ground-state properties in the framework of density functional theory. We discuss how the density functional is equivalent to the effective action for the density, thereby establishing a constructive framework for density functional calculations from nuclear forces. The presented approach starts from non-interacting nucleons in a background potential (a simple approximation for the mean field). The nuclear forces are then gradually turned on, while the background potential is removed. The evolution equation yields the ground-state energy and density of a system of interacting nucleons, including exchange-correlations beyond the RPA approximation. The method can start from non-local low momentum (V_{low k}) or chiral interactions.
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"abstract": "We propose a method for microscopic calculations of nuclear ground-state\nproperties in the framework of density functional theory. We discuss how the\ndensity functional is equivalent to the effective action for the density,\nthereby establishing a constructive framework for density functional\ncalculations from nuclear forces. The presented approach starts from\nnon-interacting nucleons in a background potential (a simple approximation for\nthe mean field). The nuclear forces are then gradually turned on, while the\nbackground potential is removed. The evolution equation yields the ground-state\nenergy and density of a system of interacting nucleons, including\nexchange-correlations beyond the RPA approximation. The method can start from\nnon-local low momentum (V_{low k}) or chiral interactions.",
"arxiv_id": "nucl-th/0403011",
"authors": [
"A. Schwenk",
"J. Polonyi"
],
"categories": [
"nucl-th"
],
"title": "Towards Density Functional Calculations from Nuclear Forces",
"url": "https://arxiv.org/abs/nucl-th/0403011"
},
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"type": "Model",
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