A phase transition model for metric fluctuations in vacuum

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dc.creatorMehrafarin, M.
dc.date2002-05-30
dc.date.accessioned2026-07-07T03:26:55Z
dc.date.available2026-07-07T03:26:55Z
dc.descriptionRegarding metric fluctuations as generating {\it roughness} on the fabric of the otherwise smooth vacuum, it is shown that in its simplest form, the effect can be described by the scalar $ϕ^4$ model. The model exhibits a second order phase transition between a smooth (low-temperature) phase and a rough (high-temperature) one, corroborating the absence of metric fluctuations at low energies. In the rough phase near the critical point, vacuum is characterized by a power-law behavior for the fluctuating field with critical exponent $β\approx 0.33$.
dc.description4 pages
dc.identifierhttps://arxiv.org/abs/gr-qc/0205133
dc.identifierhttp://arxiv.org/abs/gr-qc/0205133
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/34234
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleA phase transition model for metric fluctuations in vacuum
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