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Considerations concerning the quantum gas of pseudoharmonical oscillators

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

Autori: Dusan Popov

Editorial: Acta Physica Slovaca, 45 (5), p.557 - 566, 1995.

Rezumat:

In the present paper we have examined some aspects of the pseudoharmonical oscillators quantum gas. After the deduction of the density matrix expression and the partition function, we have calculated some characteristics of this gas:thermal moments of coordinate, internal energy, free energy, entropy and heat capacity. We have verified the obtained results by passing to the harmonic limit.

Cuvinte cheie: pseudoharmonical oscillator, density matrix, thermal averages, partition function