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Density matrix theory for the BDS-Hamiltonian

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

Autori: Dusan Popov

Editorial: International Journal of Theoretical Physics, 40 (4), p.861 - 864, 2001.

Rezumat:

In the present paper, we have extended the usual uncertainty relations, as well as the entropic uncertainty relations to the mixed states, particularly to the thermal states,
using the density matrix formalism. As quantum model we have choosen the quantum mechanical ideal gas with the harmonic oscillator-like Hamiltonian H_lambda introduced by Beckers, Debergh and Szafraniec, generically named BDS-Hamiltonian.

Cuvinte cheie: density matrix, BDS-Hamiltonian, Bloch equation, entropic uncertainty relations