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Zhou, Lingli; Ma, Bo-Qiang
astroparticle physics
2012
[ABSTRACT] The light speed anisotropy, i.e., the variation of the light speed with respect to the direction in an "absolute" reference frame, is a p...
[KEYWORDS] Lorentz invariance violation; Light speed anisotropy; GRAAL experiment; BEAM LASER SPECTROSCOPY; LORENTZ VIOLATION; BACKGROUND-RADIATION; GENERAL PRINCIPLE; ISOTROPY; RELATIVITY; INVARIANCE; TESTS
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Shao LiJing; Ma BoQiang
science china physics mechanics astronomy
2011
[ABSTRACT] The newly proposed entropic gravity suggests gravity as an emergent force rather than a fundamental one. In this approach, the Newtonian constant G...
[KEYWORDS] physical constants; entropic gravity; Lorentz violation; DOUBLY-SPECIAL RELATIVITY; LORENTZ VIOLATION; ENERGY; THERMODYNAMICS; SPACETIME; EQUATION; GRAVITY
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Zhang, Xinyu; Shao, Lijing; Ma, Bo-Qiang
astroparticle physics
2011
[ABSTRACT] Doubly special relativity (DSR), with both an invariant velocity and an invariant length scale, elegantly preserves the principle of relativity bet...
[KEYWORDS] Doubly special relativity; Photon gas; Thermodynamics; GAMMA-RAY BURSTS; LORENTZ VIOLATION; DISPERSION-RELATIONS; QUANTUM-GRAVITY
期刊文章
Xu, Yunqi; Ma, Bo-Qiang
modern physics letters a
2011
[ABSTRACT] Starting from the universal entropy bounds suggested by Bekenstein and Susskind and applying them to the black-body radiation situation, we get a c...
[KEYWORDS] Entropy bound; discrete spacetime; minimum length scale; minimum time interval; BLACK-HOLES; LORENTZ VIOLATION; RELATIVITY; QUANTUM; LENGTH
期刊文章
Xu, Haowei; Ma, Bo-Qiang
PHYSICS LETTERS B
2016
[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 gr...
[KEYWORDS] Light speed; Gamma ray burst; High energy photon; Lorentz invariance violation; QUANTUM-GRAVITY; LORENTZ VIOLATION
期刊文章
Xu, Haowei; Ma, Bo-Qiang
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
2018
[ABSTRACT] The effect of Quantum Gravity (QG) may bring a tiny light speed variation as v(E) = c(1 - E/E-LV), where E is the photon energy and E-LV is a Loren...
[KEYWORDS] gamma ray bursts theory; quantum gravity phenomenology; LIGHT SPEED VARIATION; QUANTUM-GRAVITY; LORENTZ VIOLATION; DISPERSION; TELESCOPE
期刊文章
Liu, Yue; Ma, Bo-Qiang
EUROPEAN PHYSICAL JOURNAL C
2018
[ABSTRACT] We examine a method to detect the light speed variation from gamma ray burst data observed by the Fermi Gamma-ray Space Telescope (FGST). We sugges...
[KEYWORDS] QUANTUM-GRAVITY; LORENTZ VIOLATION
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