Deformed Boson Scheme including Conventional q-Deformation in Time-Dependent Variational Method. III
A. Kuriyama, C. Providencia, J. da Providencia, Y. Tsue, M. Yamamura
Abstract
Basic idea presented in Parts (I) and (II) for the deformed boson scheme is applied to the case of the su(2,1)-algebra for describing many-body systems consisting of three kinds of boson operators. A possible form of the coherent state for the su(2,1)-algebra is generalized and the deformed su(2,1)-algebra is presented. As an application, the time-evolution of the statistically mixed state in a certain boson system, which has been already investigated by the present authors, is reinvestigated.
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