Excitation of a quantum gas of independent particles under periodic perturbation in integrable or nonintegrable potentials

Piotr Magierski , J. Skalski , J. Blocki


The excitation of a quantum gas of 112 independent fermions in the time-dependent potential well, periodically oscillating around the spherical shape, was followed over ten oscillation cycles. Five different oscillation frequencies are considered for each of the five types of deformations: spheroidal and Legendre polynomial ripples P3, P4, P5, and P6. The excitation rate of the gas in the deforming hard-walled cavities substantially decreases after initial one or two cycles and the final excitation energy is a few times smaller than the wall formula predictions. Qualitatively similar results are obtained for the diffused Woods-Saxon well. The details and possible origins of this behavior are discussed as well as the consequences for the one-body dissipation model of nuclear dynamics.
Author Piotr Magierski (FP / NPD)
Piotr Magierski,,
- Nuclear Physics Division
, J. Skalski
J. Skalski,,
, J. Blocki
J. Blocki,,
Journal seriesPhysical Review C, ISSN 0556-2813
Issue year1997
ASJC Classification3106 Nuclear and High Energy Physics
URL http://link.aps.org/doi/10.1103/PhysRevC.56.1011
Score (nominal)40
Score sourcejournalList
Publication indicators WoS Citations = 13; GS Citations = 12.0; WoS Impact Factor: 2006 = 3.327 (2) - 2007=3.113 (5)
Citation count*12 (2014-08-16)
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