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Phenomenology of space-time imperfection. I. Nonlocal defects
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA.ORCID iD: 0000-0002-2515-3842
2013 (English)In: Physical Review D, ISSN 1550-7998, Vol. 88, no 12, 124030- p.Article in journal (Refereed) Published
Abstract [en]

If space-time is emergent from a fundamentally nongeometric theory it will generically be left with defects. Such defects need not respect the locality that emerges with the background. Here, we develop a phenomenological model that parametrizes the effects of nonlocal defects on the propagation of particles. In this model, Lorentz invariance is preserved on the average. We derive constraints on the density of defects from various experiments.

Place, publisher, year, edition, pages
2013. Vol. 88, no 12, 124030- p.
Keyword [en]
Gravity-Wave Interferometers, Energy Cosmic-Rays, Quantum-Gravity, Causal Set, Quasars, Lorentz
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-140144DOI: 10.1103/PhysRevD.88.124030ISI: 000328691400003ScopusID: 2-s2.0-84896506163OAI: diva2:689542

QC 20140121

Available from: 2014-01-21 Created: 2014-01-17 Last updated: 2014-01-21Bibliographically approved

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