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P-function of the pseudoharmonic oscillator in terms of Klauder-Perelomov coherent states

Domenii publicaţii > Fizica + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: Dusan Popov, D. M. Davidovic, D. Arsenovic, V. Sajfert

Editorial: Acta Physica Slovaca, 56 (4), p.445 -453, 2006.

Rezumat:

Using the Klauder-Perelomov coherent states of the pseudoharmonic oscillator Hamiltonian, corresponding diagonal P-representation for the density matrix of the gas of pseudoharmonic oscillators in thermal equilibrium is constructed. With a help of this new result, some corresponding characteristic thermal expectation values are obtained.

Cuvinte cheie: coherent states, Morse oscillator, density matrix, pseudoharmonic potential, statistical properties, diagonal representation