Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2000-08-08
Physics
Nuclear Physics
Nuclear Theory
65 pages using PTPTeX.sty. To appear in Progress of Theoretical Physics Supplement ``Selected Topics in Boson Mapping and Time
Scientific paper
10.1143/PTPS.141.113
Various works performed by the present authors in the 1990s are reviewed. The topics discussed in this paper are mainly related to the time-evolution of the coherent and the squeezed states of the systems obeying the su(2)- and the su(1,1)-algebra. The formulations are based on the basic idea of the boson mapping and the TDHF theory in canonical form. Under the time-dependent variational procedure for trial states appropriately chosen, the time-evolution of the systems under investigation is described. Further, it is shown that this method enables us to obtain the classical counterparts of the original quantal systems.
Kuriyama A.
Providencia Joao da
Tsue Yasuhiko
Yamamura Masatoshi
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