Classical and quantum instability of compact Cauchy horizons in two dimensions

DOI10.1088/0264-9381/8/6/011zbMath0725.53064OpenAlexW2050486136MaRDI QIDQ5201887

Ulvi Yurtsever

Publication date: 1991

Published in: Classical and Quantum Gravity (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1088/0264-9381/8/6/011

zbMATH Keywords

quantum field theoryKlein-Gordon equationcausality violationCauchy horizonsclosed null geodesics2-dimensional models

Mathematics Subject Classification ID

Quantum field theory on curved space or space-time backgrounds (81T20) Einstein's equations (general structure, canonical formalism, Cauchy problems) (83C05) Global differential geometry of Lorentz manifolds, manifolds with indefinite metrics (53C50)

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Vacuum polarization of a complex automorphic scalar field in two-dimensional spacetime with closed null geodesics and the time-machine problem

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