dorsal/arxiv
View SchemaSpectral Decorrelation of Nuclear Levels in the Presence of Continuum Decay
| Authors | S. Drożdż, A. Trellakis, J. Wambach |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9511043 |
| URL | https://arxiv.org/abs/nucl-th/9511043 |
| DOI | 10.1103/PhysRevLett.76.4891 |
| Journal | Phys.Rev.Lett.76:4891-4894,1996 |
Abstract
The fluctuation properties of nuclear giant resonance spectra are studied in the presence of continuum decay. The subspace of quasi-bound states is specified by one-particle one-hole and two-particle two-hole excitations and the continuum coupling is generated by a scattering ensemble. It is found that, with increasing number of open channels, the real parts of the complex eigenvalues quickly decorrelate. This appears to be related to the transition from power-law to exponential time behavior of the survival probability of an initially non-stationary state.
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"abstract": "The fluctuation properties of nuclear giant resonance spectra are studied in\nthe presence of continuum decay. The subspace of quasi-bound states is\nspecified by one-particle one-hole and two-particle two-hole excitations and\nthe continuum coupling is generated by a scattering ensemble. It is found that,\nwith increasing number of open channels, the real parts of the complex\neigenvalues quickly decorrelate. This appears to be related to the transition\nfrom power-law to exponential time behavior of the survival probability of an\ninitially non-stationary state.",
"arxiv_id": "nucl-th/9511043",
"authors": [
"S. Dro\u017cd\u017c",
"A. Trellakis",
"J. Wambach"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevLett.76.4891",
"journal_ref": "Phys.Rev.Lett.76:4891-4894,1996",
"title": "Spectral Decorrelation of Nuclear Levels in the Presence of Continuum Decay",
"url": "https://arxiv.org/abs/nucl-th/9511043"
},
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