| Title | Light speed variation from gamma ray burst GRB 160509A |
| Authors | Xu, Haowei Ma, Bo-Qiang |
| Affiliation | Peking Univ, Sch Phys, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China. Collaborat Innovat Ctr Quantum Matter, Beijing, Peoples R China. Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China. Peking Univ, Ctr Hist & Philosophy Sci, Beijing 100871, Peoples R China. Peking Univ, Sch Phys, Beijing 100871, Peoples R China. |
| Keywords | Light speed Gamma ray burst High energy photon Lorentz invariance violation QUANTUM-GRAVITY LORENTZ VIOLATION |
| Issue Date | 2016 |
| Publisher | PHYSICS LETTERS B |
| Citation | PHYSICS LETTERS B.2016,760,602-604. |
| Abstract | It is postulated in Einstein's relativity that the speed of light in vacuum is a constant for all observers. However, the effect of quantum gravity could bring an energy dependence of light speed. Even a tiny speed variation, when amplified by the cosmological distance, may be revealed by the observed time lags between photons with different energies from astrophysical sources. From the newly detected long gamma ray burst GRB 160509A, we find evidence to support the prediction for a linear form modification of light speed in cosmological space. (C) 2016 The Author(s). Published by Elsevier B.V. |
| URI | http://hdl.handle.net/20.500.11897/447981 |
| ISSN | 0370-2693 |
| DOI | 10.1016/j.physletb.2016.07.044 |
| Indexed | SCI(E) |
| Appears in Collections: | 物理学院 哲学系（宗教学系） 核物理与核技术国家重点实验室 |
