<正> The thermal quantum discord (QD) is studied in a two-qubit Heisenberg XXZ system with Dzyaloshinskii-Moriya(DM) interaction.We compare the thermal QD with
<正> Based on the form of the n-dimensional generic power-law potential, the state equation and the heat capacity,the analytical expressions of the Joule-Thomso
<正> For investigating dynamic evolution of a mass-varying harmonic oscillator we constitute a ket-bra integrationoperator in coherent state representation and