CONSTRAINTS ON THE LORENTZ INVARIANCE VIOLATION WITH GAMMA-RAY BURSTS VIA A MARKOV CHAIN MONTE CARLO APPROACH

Journal Article · Mon Jul 20 04:00:00 EDT 2015 · Astrophysical Journal

DOI:https://doi.org/10.1088/0004-637X/808/1/78· OSTI ID:22522123

Pan, Yu ^[1]; Gong, Yungui ^[2]; Cao, Shuo; Zhu, Zong-Hong ^[3]; Gao, He ^[4]

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1. College of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065 (China)
2. MOE Key Laboratory of Fundamental Quantities Measurement, School of Physics, Huazhong University of Science and Technology, Hubei 430074 (China)
3. Department of Astronomy, Beijing Normal University, Beijing 100875 (China)
4. Department of Astronomy and Astrophysics, Pennsylvania State University, 525 Davey Laboratory, University Park, PA 16802 (United States)

In the quantum theory of gravity, for photons we expect the Lorentz Invariance Violation (LIV) and the modification of the dispersion relation between energy and momentum. The effect of the energy-dependent velocity due to the modified dispersion relation for photons was studied in the standard cosmological context by using a sample of gamma-ray bursts (GRBs). In this paper we mainly discuss the possible LIV effect of using different cosmological models for the accelerating universe. Due to the degeneracies among model parameters, the GRBs’ time delay data are combined with the cosmic microwave background data from the Planck first-year release, the baryon acoustic oscillation data at six different redshifts, and Union2 Type Ia supernovae data to constrain both the model parameters and the LIV effect. We find no evidence of the LIV.

• OSTI ID: 22522123
• Journal Information: Astrophysical Journal, Journal Name: Astrophysical Journal Journal Issue: 1 Vol. 808; ISSN ASJOAB; ISSN 0004-637X
• Country of Publication: United States
• Language: English

Related Subjects

79 ASTRONOMY AND ASTROPHYSICS
BARYONS
COSMIC GAMMA BURSTS
COSMOLOGICAL MODELS
DISPERSION RELATIONS
ENERGY DEPENDENCE
GRAVITATION
LORENTZ INVARIANCE
MARKOV PROCESS
MONTE CARLO METHOD
NONLUMINOUS MATTER
OSCILLATIONS
PHOTONS
QUANTUM GRAVITY
RED SHIFT
RELICT RADIATION
SUPERNOVAE
TIME DELAY
UNIVERSE