Functional derivation of Casimir energy at non-zero temperature
classification
✦ hep-th
cond-mathep-phquant-ph
keywords
energyfunctionalcasimirintegrationnon-zerotemperaturearbitrarydensity
read the original abstract
Performing functional integration of the free Lagrangian, we find the vacuum energy of a field. The functional integration is performed in a way which easily generalizes to systems at non-zero temperature. We use this technique to obtain the Casimir energy density and pressure at arbitrary temperatures.
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