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Entropy in some simple one-dimensional configurations
M. Bordag
Continuing the discussion on negative entropy in Casimir-effect like configurations, we consider two simple one-dimensional examples. One is the s-wave contribution to a plasma sph…
Free energy and entropy for thin sheets
M. Bordag
We calculate the entropy and the temperature dependent part of the free energy for a free standing plane plasma sheet and for the a free standing plane slab of finite thickness wit…
On the entropy of a spherical plasma shell
M. Bordag, K. Kirsten
Negative entropy was repeatedly observed in the Casimir effect caused by dissipation or geometry. However, it was restricted to subsystems. Recently the question about the entropy…
Dispersion Forces Between Fields Confined to Half Spaces
Michael Bordag, Irina G. Pirozhenko
We consider the Casimir effect for a scalar field interacting with another scalar field that is confined to two half spaces. This model is aimed to mimic the interaction of the pho…
Nonperturbative theory of atom-surface interaction: Corrections at short separations
M. Bordag, G. L. Klimchitskaya, V. M. Mostepanenko
The nonperturbative expressions for the free energy and force of interaction between a ground-state atom and a real-material surface at any temperature are presented. The transitio…