dorsal/arxiv
View SchemaLocal harmonic approaches with approximate cranking operators
| Authors | takashi Nakatsukasa, Niels R. Walet, Giu Do Dang |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9904054 |
| URL | https://arxiv.org/abs/nucl-th/9904054 |
| DOI | 10.1103/PhysRevC.61.014302 |
| Journal | Phys.Rev. C61 (2000) 014302 |
Abstract
Methods of large amplitude collective motion in the adiabatic limit are examined with a special emphasis on conservation laws. We show that the restriction to point transformations, which is a usual assumption of the adiabatic time-dependent mean-field theory, needs to be lifted. In order to facilitate the application of large amplitude collective motion techniques, we examine the possibility of representing the RPA normal-mode coordinates by linear combinations of a limited number of one-body operators. We study the pairing-plus-quadrupole model of Baranger and Kumar as an example, and find that such representations exist in terms of operators that are state-dependent in a characteristic manner.
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"abstract": "Methods of large amplitude collective motion in the adiabatic limit are\nexamined with a special emphasis on conservation laws. We show that the\nrestriction to point transformations, which is a usual assumption of the\nadiabatic time-dependent mean-field theory, needs to be lifted. In order to\nfacilitate the application of large amplitude collective motion techniques, we\nexamine the possibility of representing the RPA normal-mode coordinates by\nlinear combinations of a limited number of one-body operators. We study the\npairing-plus-quadrupole model of Baranger and Kumar as an example, and find\nthat such representations exist in terms of operators that are state-dependent\nin a characteristic manner.",
"arxiv_id": "nucl-th/9904054",
"authors": [
"takashi Nakatsukasa",
"Niels R. Walet",
"Giu Do Dang"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevC.61.014302",
"journal_ref": "Phys.Rev. C61 (2000) 014302",
"title": "Local harmonic approaches with approximate cranking operators",
"url": "https://arxiv.org/abs/nucl-th/9904054"
},
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