Spontaneous breaking of Lorentz symmetry by ghost condensation in perturbative quantum gravity

被引：48
作者：
Faizal, Mir [1 ]
机构：
[1] Univ Durham, Dept Math, Durham DH1 3LE, England
来源：
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL | 2011年 / 44卷 / 40期
关键词：
CPT VIOLATION; ENERGY; TESTS;
D O I：
10.1088/1751-8113/44/40/402001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper, we will study the spontaneous breakdown of the Lorentz symmetry by ghost condensation in perturbative quantum gravity. Our analysis will be done in the Curci-Ferrari gauge. We will also analyse the modification of the BRST and anti-BRST transformations by the formation of this ghost condensate. It will be shown that even though the modified BRST and anti-BRST transformations are not nilpotent, their nilpotency is restored on-shell.
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页数：7
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