Null Energy Condition in Dynamic Wormholes

Journal Article · Wed Jul 01 00:00:00 EDT 1998 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.81.746· OSTI ID:639107

Hochberg, D ^[1]; Visser, M ^[2]

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1. Laboratorio de Astrofisica Espacial y Fisica Fundamental, Apartado 50727, 28080 Madrid (Spain)
2. Physics Department, Washington University, Saint Louis, Missouri 63130-4899 (United States)

We extend previous proofs that violations of the null energy condition are a generic and universal feature of traversable wormholes to completely nonsymmetric time-dependent wormholes. We show that the analysis can be phrased purely in terms of local geometry at and near the wormhole throat, and we do not have to make any technical assumptions about asymptotic flatness or other global properties. A key aspect of the analysis is the demonstration that time-dependent wormholes have {ital two} throats, one for each direction through the wormhole, and that the two throats coalesce only for the case of a static wormhole. {copyright} {ital 1998} {ital The American Physical Society}

• OSTI ID: 639107
• Journal Information: Physical Review Letters, Vol. 81, Issue 4; Other Information: PBD: Jul 1998
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
TOTAL ENERGY SYSTEMS
RELATIVITY THEORY
TOPOLOGY
ENERGY
TIME DEPENDENCE
VIOLATIONS