Stress-energy tensor of quantized massive scalar fields in thermal states on zero-tidal wormholes satisfies Morris-Thorne conditions only for bounded masses and temperatures below a mass-dependent critical value.
Vacuum polarization of a massive scalar field in a wormhole spacetime
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abstract
We calculate the vacuum average value of the field square and the stress-energy tensor of a massive scalar field, with non-minimal coupling $\xi$ to the curvature in the short-throat flat-space wormhole background. The obtained results are not suitable for an analytical analysis and for this reason we provide a numerical analysis for different values of the coupling constant, $\xi$. It was shown that the vacuum polarization cannot self-consistently support the wormhole. Otherwise, the energy-momentum tensor does not violate the null energy condition near the throat.
fields
gr-qc 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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Stress-energy tensor of quantized scalar fields in thermal states on a zero-tidal wormhole
Stress-energy tensor of quantized massive scalar fields in thermal states on zero-tidal wormholes satisfies Morris-Thorne conditions only for bounded masses and temperatures below a mass-dependent critical value.