Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1997-04-12
Phys.Rev.C56:1011-1018,1997
Physics
Nuclear Physics
Nuclear Theory
REVTeX file, 13 pages, 8 postscript figures submitted to Phys. Rev. C
Scientific paper
10.1103/PhysRevC.56.1011
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 10 oscillation cycles. Five different oscillation frequencies are considered for each of the five types of deformations: spheroidal and Legendre polynomial ripples: P_3, P_4, P_5 and P_6. 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 behaviour are discussed as well as the consequences for the one-body dissipation model of nuclear dynamics.
Blocki Jeremiah
Magierski Piotr
Skalski Janusz
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