Spacetime-varying couplings and Lorentz violation

被引:183
作者
Kostelecky, VA [1 ]
Lehnert, R
Perry, MJ
机构
[1] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA
[2] Univ Algarve, Area Departamental Fis, CENTRA, P-8000117 Faro, Portugal
[3] Univ Cambridge, DAMTP, Cambridge CB3 0WA, England
关键词
D O I
10.1103/PhysRevD.68.123511
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Spacetime-varying coupling constants can be associated with violations of local Lorentz invariance and CPT symmetry. An analytical supergravity cosmology with a time-varying fine-structure constant provides an explicit example. Estimates are made for some experimental constraints.
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页数:5
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