Must time-machine construction violate the weak energy condition?

DOI10.1103/PhysRevLett.71.2517zbMath0972.83572OpenAlexW2013235415WikidataQ74539951 ScholiaQ74539951MaRDI QIDQ4492103

Amos Ori

Publication date: 16 July 2000

Published in: Physical Review Letters (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1103/physrevlett.71.2517

Mathematics Subject Classification ID

Space-time singularities, cosmic censorship, etc. (83C75)

Related Items (13)

On causality violation on a Kerr-de Sitter spacetime ⋮ Type N Einstein space time machine spacetime ⋮ Cylindrically symmetric, asymptotically flat, Petrov type D spacetime with a naked curvature singularity and matter collapse ⋮ Axial symmetry cosmological constant vacuum solution of field equations with a curvature singularity, closed time-like curves, and deviation of geodesics ⋮ A holographic description of negative energy states ⋮ A stationary cylindrically symmetric spacetime which admits CTCs and its physical interpretation ⋮ Global aspects of conformal symmetry and the ANEC in dS and AdS ⋮ Geometric analysis of particular compactly constructed time machine spacetimes ⋮ Lorentzian causality theory ⋮ Localized thermal states and negative energy ⋮ Do the laws of physics forbid the operation of time machines? ⋮ Quantum backreaction on chronology horizons ⋮ A time machine for free fall into the past

Cites Work

• Closed timelike curves produced by pairs of moving cosmic strings: Exact solutions
• Topology in General Relativity
• The Large Scale Structure of Space-Time
• Singularities and causality violation

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