Trans-Planckian redshifts and the substance of the space-time river

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dc.creatorJacobson, Ted
dc.date2000-01-13
dc.date2000-02-16
dc.date.accessioned2026-07-07T11:09:55Z
dc.date.available2026-07-07T11:09:55Z
dc.descriptionTrans-Planckian redshifts in cosmology and outside black holes may provide windows on a hypothetical short distance cutoff on the fundamental degrees of freedom. In cosmology, such a cutoff seems to require a growing Hilbert space, but for black holes, Unruh's sonic analogy has given rise to both field theoretic and lattice models demonstrating how such a cutoff in a fixed Hilbert space might be compatible with a low energy effective quantum field theory of the Hawking effect. In the lattice case, the outgoing modes arise via a Bloch oscillation from ingoing modes. A short distance cutoff on degrees of freedom is incompatible with local Lorentz invariance, but may nevertheless be compatible with general covariance if the preferred frame is defined non-locally by the cosmological background. Pursuing these ideas in a different direction, condensed matter analogs may eventually allow for laboratory observations of the Hawking effect. This paper introduces and gives a fairly complete but brief review of the work that has been done in these areas, and tries to point the way to some future directions.
dc.description18 pages, to appear in Progress of Theoretical Physics Supplement, Proceedings of Yukawa International Seminar 1999; typos corrected
dc.identifierhttps://arxiv.org/abs/hep-th/0001085
dc.identifierhttp://arxiv.org/abs/hep-th/0001085
dc.identifierProg.Theor.Phys.Suppl.136:1-17,1999
dc.identifierdoi:10.1143/PTPS.136.1
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/190632
dc.subjectHigh Energy Physics - Theory
dc.subjectCondensed Matter
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleTrans-Planckian redshifts and the substance of the space-time river
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