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- Abdo, A. A. (author)
A limit on the variation of the speed of light arising from quantum gravity effects
- Article/chapterEnglish2009
Publisher, publication year, extent ...
- 2009-10-28
- Springer Science and Business Media LLC,2009
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:su-33749
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-33749URI
- https://doi.org/10.1038/nature08574DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-18968URI
- https://urn.kb.se/resolve?urn=urn:nbn:se:hik:diva-2808URI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- QC 20100525
- A cornerstone of Einstein’s special relativity is Lorentz invariance—the postulate that all observers measure exactly the same speed of light in vacuum, independent of photon-energy. While special relativity assumes that there is no fundamental length-scale associated with such invariance, there is a fundamental scale (the Planck scale, lPlanck~1.62×10-33cm or EPlanck = MPlanckc2~1.22×1019GeV), at which quantum effects are expected to strongly affect the nature of space–time. There is great interest in the (not yet validated) idea that Lorentz invariance might break near the Planck scale. A key test of such violation of Lorentz invariance is a possible variation of photon speed with energy. Even a tiny variation in photon speed, when accumulated over cosmological light-travel times, may be revealed by observing sharp features in γ-ray burst (GRB) light-curves. Here we report the detection of emission up to ~31GeV from the distant and short GRB090510. We find no evidence for the violation of Lorentz invariance, and place a lower limit of 1.2EPlanck on the scale of a linear energy dependence (or an inverse wavelength dependence), subject to reasonable assumptions about the emission (equivalently we have an upper limit of lPlanck/1.2 on the length scale of the effect). Our results disfavour quantum-gravity theories in which the quantum nature of space–time on a very small scale linearly alters the speed of light.
Subject headings and genre
- NATURVETENSKAP Fysik Astronomi, astrofysik och kosmologi hsv//swe
- NATURAL SCIENCES Physical Sciences Astronomy, Astrophysics and Cosmology hsv//eng
- NATURVETENSKAP Fysik hsv//swe
- NATURAL SCIENCES Physical Sciences hsv//eng
- High energy astrophysics
- Högenergiastrofysik
- High energy astrophysics
- Högenergiastrofysik
- gamma-ray bursts
- Fysik
Added entries (persons, corporate bodies, meetings, titles ...)
- Ackermann, M. (author)
- Ajello, M. (author)
- Asano, K. (author)
- Atwood, W. B. (author)
- Axelsson, M.Stockholms universitet,Institutionen för astronomi(Swepub:su)aaxe (author)
- Baldini, L. (author)
- Ballet, J. (author)
- Barbiellini, G. (author)
- Baring, M. G. (author)
- Bastieri, D. (author)
- Bechtol, K. (author)
- Bellazzini, R. (author)
- Berenji, B. (author)
- Bhat, P. N. (author)
- Bissaldi, E. (author)
- Bloom, E. D. (author)
- Bonamente, E. (author)
- Bonnell, J. (author)
- Borgland, A. W. (author)
- Bouvier, A. (author)
- Bregeon, J. (author)
- Brez, A. (author)
- Briggs, M. S. (author)
- Brigida, M. (author)
- Bruel, P. (author)
- Burgess, J. M. (author)
- Burnett, T. H. (author)
- Caliandro, G. A. (author)
- Cameron, R. A. (author)
- Caraveo, P. A. (author)
- Casandjian, J. M. (author)
- Cecchi, C. (author)
- Çelik, Ö. (author)
- Chaplin, V. (author)
- Charles, E. (author)
- Cheung, C. C. (author)
- Chiang, J. (author)
- Ciprini, S. (author)
- Claus, R. (author)
- Cohen-Tanugi, J. (author)
- Cominsky, L. R. (author)
- Connaughton, V. (author)
- Conrad, JanStockholms universitet,Fysikum(Swepub:kth)u1o0ezny (author)
- Cutini, S. (author)
- Dermer, C. D. (author)
- de Angelis, A. (author)
- de Palma, F. (author)
- Digel, S. W. (author)
- Dingus, B. L. (author)
- Do Couto E Silva, E. (author)
- Drell, P. S. (author)
- Dubois, R. (author)
- Dumora, D. (author)
- Farnier, C. (author)
- Favuzzi, C. (author)
- Fegan, S. J. (author)
- Finke, J. (author)
- Fishman, G. (author)
- Focke, W. B. (author)
- Foschini, L. (author)
- Fukazawa, Y. (author)
- Funk, S. (author)
- Fusco, P. (author)
- Gargano, F. (author)
- Gasparrini, D. (author)
- Gehrels, N. (author)
- Germani, S. (author)
- Gibby, L. (author)
- Giebels, B. (author)
- Giglietto, N. (author)
- Giordano, F. (author)
- Glanzman, T. (author)
- Godfrey, G. (author)
- Granot, J. (author)
- Greiner, J. (author)
- Grenier, I. A. (author)
- Grondin, M.-H. (author)
- Grove, J. E. (author)
- Grupe, D. (author)
- Guillemot, L. (author)
- Guiriec, S. (author)
- Hanabata, Y. (author)
- Harding, A. K. (author)
- Hayashida, M. (author)
- Hays, E. (author)
- Hoversten, E. A. (author)
- Hughes, R. E. (author)
- Jóhannesson, G. (author)
- Johnson, A. S. (author)
- Johnson, R. P. (author)
- Johnson, W. N. (author)
- Kamae, T. (author)
- Katagiri, H. (author)
- Kataoka, J. (author)
- Kawai, N. (author)
- Kerr, M. (author)
- Kippen, R. M. (author)
- Knödlseder, J. (author)
- Kocevski, D. (author)
- Kouveliotou, C. (author)
- Kuehn, F. (author)
- Kuss, M. (author)
- Lande, J. (author)
- Latronico, L. (author)
- Lemoine-Goumard, M. (author)
- Longo, F. (author)
- Loparco, F. (author)
- Lott, B. (author)
- Lovellette, M. N. (author)
- Lubrano, P. (author)
- Madejski, G. M. (author)
- Makeev, A. (author)
- Mazziotta, M. N. (author)
- McBreen, S. (author)
- McEnery, J. E. (author)
- Mc Glynn, SinéadKTH,Partikel- och astropartikelfysik(Swepub:kth)u18hd8ug (author)
- Mészáros, P. (author)
- Meurer, C. (author)
- Michelson, P. F. (author)
- Mitthumsiri, W. (author)
- Mizuno, T. (author)
- Moiseev, A. A. (author)
- Monte, C. (author)
- Moretti, Elena,1982-University and INFN of Trieste(Swepub:kth)u1t69eg4 (author)
- Moretti, E. (author)
- Morselli, A. (author)
- Moskalenko, I. V. (author)
- Murgia, S. (author)
- Nakamori, T. (author)
- Nolan, P. L. (author)
- Norris, J. P. (author)
- Nuss, E. (author)
- Ohno, M. (author)
- Ohsugi, T. (author)
- Omodei, N. (author)
- Orlando, E. (author)
- Ormes, J. F. (author)
- Ozaki, M. (author)
- Paciesas, W. S. (author)
- Paneque, D. (author)
- Panetta, J. H. (author)
- Parent, D. (author)
- Pelassa, V. (author)
- Pepe, M. (author)
- Pesce-Rollins, M. (author)
- Petrosian, V. (author)
- Piron, F. (author)
- Porter, T. A. (author)
- Preece, R. (author)
- Rainò, S. (author)
- Ramirez-Ruiz, E. (author)
- Rando, R. (author)
- Razzano, M. (author)
- Razzaque, S. (author)
- Reimer, A. (author)
- Reimer, O. (author)
- Reposeur, T. (author)
- Ritz, S. (author)
- Rochester, L. S. (author)
- Rodriguez, A. Y. (author)
- Roth, M. (author)
- Ryde, FelixKTH,Partikel- och astropartikelfysik(Swepub:kth)u1tlyg6w (author)
- Sadrozinski, H. F.-W. (author)
- Sanchez, D. (author)
- Sander, A. (author)
- Saz Parkinson, P. M. (author)
- Scargle, J. D. (author)
- Schalk, T. L. (author)
- Sgrò, C. (author)
- Siskind, E. J. (author)
- Smith, D. A. (author)
- Smith, P. D. (author)
- Spandre, G. (author)
- Spinelli, P. (author)
- Stamatikos, M. (author)
- Stecker, F. W. (author)
- Strickman, M. S. (author)
- Suson, D. J. (author)
- Tajima, H. (author)
- Takahashi, H. (author)
- Ylinen, T.Högskolan i Kalmar,Naturvetenskapliga institutionen(Swepub:lnu)eylto (author)
- Tanaka, T. (author)
- Thayer, J. B. (author)
- Thayer, J. G. (author)
- Thompson, D. J. (author)
- Tibaldo, L. (author)
- Toma, K. (author)
- Torres, D. F. (author)
- Tosti, G. (author)
- Troja, E. (author)
- Uchiyama, Y. (author)
- Uehara, T. (author)
- Usher, T. L. (author)
- van der Horst, A. J. (author)
- Vasileiou, V. (author)
- Vilchez, N. (author)
- Vitale, V. (author)
- von Kienlin, A. (author)
- Waite, A. P. (author)
- Wang, P. (author)
- Wilson-Hodge, C. (author)
- Winer, B. L. (author)
- Wood, K. S. (author)
- Wu, X. F. (author)
- Yamazaki, R. (author)
- Ylinen, TomiKTH,Partikel- och astropartikelfysik(Swepub:kth)u1vmovqg (author)
- Ziegler, M. (author)
- Stockholms universitetInstitutionen för astronomi (creator_code:org_t)
Related titles
- In:Nature: Springer Science and Business Media LLC462:7271, s. 331-3340028-08361476-4687
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