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Vacuum fluctuations of twisted fields in the spacetime of a cosmic string

Journal Article · · Physical Review, D (Particles Fields); (USA)
 [1]
  1. Instituto de Fisica Teorica, Rua Pamplona 145, 01405 Sao Paulo, Sao Paulo (Brazil)
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A twisted scalar field conformally coupled to gravitation is used to calculate the vacuum stress-energy tensor in the background spacetime generated by an infinite straight gauge cosmic string. The result found has an absolute numerical value close to the one obtained with a nontwisted conformal scalar field, but their signs are opposite.
OSTI ID:
6741953
Journal Information:
Physical Review, D (Particles Fields); (USA), Journal Name: Physical Review, D (Particles Fields); (USA) Vol. 41:12; ISSN PRVDA; ISSN 0556-2821
Country of Publication:
United States
Language:
English

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640106* -- Astrophysics & Cosmology-- Cosmology
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INVARIANCE PRINCIPLES
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SCALAR FIELDS
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SPACE-TIME
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VACUUM STATES