MASSIVE QUANTUM-FIELDS IN A CONICAL BACKGROUND

被引：49
作者：
MOREIRA, ES
机构：
[1] Physics Department, Queen Mary and Westfield College, London, E1 4NS, Mile End Rd
来源：
NUCLEAR PHYSICS B | 1995年 / 451卷 / 1-2期
关键词：
D O I：
10.1016/0550-3213(95)00357-X
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Representations of the Klein-Gordon and Dirac propagators are determined in an N-dimensional conical background for massive fields twisted by an arbitrary angle 2 pi sigma. The Dirac propagator is shown to be obtained from the Klein-Gordon propagator twisted by angles 2 pi sigma +/- D/2 where D is the cone deficit angle. Vacuum expectation values are determined by a point-splitting method in the proper time representation of the propagators. Analogies with the Aharonov-Bohm effect are pointed out throughout the paper and a conjecture on an extension to fields of arbitrary spin is given.
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页码：365 / 378
页数：14
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