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Phenomenology of space-time imperfection. I. Nonlocal defects
Stockholm University, Nordic Institute for Theoretical Physics (Nordita).
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.
National Category
Astronomy, Astrophysics and Cosmology
URN: urn:nbn:se:su:diva-99886DOI: 10.1103/PhysRevD.88.124030ISI: 000328691400003OAI: diva2:690445


Available from: 2014-01-23 Created: 2014-01-20 Last updated: 2014-01-23Bibliographically approved

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Hossenfelder, Sabineh
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Nordic Institute for Theoretical Physics (Nordita)
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