𝔖 Bobbio Scriptorium
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Vector particle creation and annihilation in a Friedmann expansion

✍ Scribed by S. Matarrese; S. A. Bonometto


Book ID
112899697
Publisher
Springer-Verlag
Year
1981
Weight
754 KB
Volume
64
Category
Article
ISSN
0369-3546

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A generalization of thermo field dynamics to a curved geometry is proposed. In particular a neutral scalar field minimally coupled to gravity is considered as matter content in a Robertson Walker metric. A nonlinear amplification in the particle creation is obtained, due to the altogether action of