Calculates renormalized Casimir free energy and thermodynamic quantities for a scalar field in a wormhole spacetime at finite temperature, finding geometry-independent thermal corrections in the comoving frame.
Casimir effect in a wormhole spacetime
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abstract
We consider the Casimir effect for quantized massive scalar field with non-conformal coupling $\xi$ in a spacetime of wormhole whose throat is rounded by a spherical shell. In the framework of zeta-regularization approach we calculate a zero point energy of scalar field. We found that depending on values of coupling $\xi$, a mass of field $m$, and/or the throat's radius $a$ the Casimir force may be both attractive and repulsive, and even equals to zero.
fields
hep-th 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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Thermal Casimir Effect in A Schwarzschild-like Wormhole Spacetime
Calculates renormalized Casimir free energy and thermodynamic quantities for a scalar field in a wormhole spacetime at finite temperature, finding geometry-independent thermal corrections in the comoving frame.