ar X iv : q ua nt - p h / 98 11 03 4 v 1 1 4 N ov 1 99 8 Thermodynamics of the Casimir Effect - Asymptotic Considerations
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چکیده
We study the Casimir effect with different temperatures between the plates (T) resp. outside of them (T ′). If we consider the inner system as the black body radiation for a special geometry, then contrary to common belief the temperature approaches a constant value for vanishing volume during isentropic processes. This means: the reduction of the degrees of freedom can not be compensated by a concentration of the energy during an adiabatic contraction of the two-plate system. Looking at the Casimir pressure, we find one unstable equilibrium point for isothermal processes with T > T ′. For isentropic processes there is additionally one stable equilibrium point for larger values of the distances between the two plates.
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تاریخ انتشار 1998