State densities and spectrum fluctuations: information propagation in complex nuclei |
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Authors: | J B French V K B Kota |
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Institution: | (1) Department of Physics and Astronomy, University of Rochester, 14627 Rochester, NY, USA;(2) Present address: Physical Research Laboratory, 380 009 Ahmedabad, India |
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Abstract: | At excitation energies in nuclei where the state density is unambiguously defined there is a sharp separation between the
smoothed spectrum (which defines the density) and fluctuations about it which have recently been studied with a view to understanding
some aspects of quantum chaos. We briefly review these two complementary subjects, paying special attention to: the role of
the effective interaction in determining the density; the calculation of interacting-particle state and level densities, and
of expectation values of interesting operators; the information about the effective nucleon-nucleon interaction which is carried
both by the density and the fluctuations.
Supported in part by the U.S. Department of Energy. |
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Keywords: | Level density occupancies spectrum fluctuations time reversal nuclear interactions |
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