Astrophysical limits on quantum gravity motivated birefringence
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We obtain observational upper bounds on a class of quantum gravity related birefringence effects, by analyzing the presence of linear polarization in the optical and ultraviolet spectrum of some distant sources. In the notation of Gambini and Pullin we find $\ensuremath{\chi}<5\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}5}.$
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The birefringence constraint on ξ is |ξ| ≤ 10−4.
“We can simplify the problem dramatically by noting that the birefringence constraint on ξ in Equation (40) is |ξ| ≤ 10−4 [127].”
From Modern Tests of Lorentz Invariance (2005) · cites this paper as [127]
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- Authors
- Gleiser, R., & Kozameh, C.
- Affiliations
- Universidad Nacional de Córdoba (AR)
- Venue
- Physical Review D
- Publisher
- American Physical Society (APS)
- Published
- 2001-09
- Volume
- 64
- Issue
- 8
- ISSN
- 0556-2821 (ISSN-L)
- 1089-4918
- OpenAlex
- W2115984402
- Cited by
- 156
- References
- 7
- Citations by year
- 2025: 3 · 2024: 1 · 2023: 2 · 2022: 3 · 2021: 6 · 2020: 2 · 2019: 2 · 2018: 15 · 2017: 2 · 2016: 5 · 2015: 4 · 2014: 1 · 2013: 5 · 2012: 4
- FWCI
- 7.46
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- CERN Document Server (European Organization for Nuclear Research) (submittedVersion)
- arXiv (Cornell University)
- Topics
- Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Noncommutative and Quantum Gravity Theories
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Cosmology and Gravitation Theories
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Relativity and Gravitational Theory
- Keywords
- quantum gravity, birefringence, linear polarization, optical polarization, ultraviolet polarization
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