Power Spectrum in Krein Space Quantization

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The power spectrum of scalar field and space-time metric perturbations produced in the process of inflation of universe, have been presented in this paper by an alternative approach to field quantization namely, Krein space quantization [1,2]. Auxiliary negative norm states, the modes of which do not interact with the physical world, have been utilized in this method. Presence of negative norm states play the role of an automatic renormalization device for the theory.
8 pages, appear in Int. J. Theor. Phys

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General Relativity and Quantum Cosmology

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http://salesiana.dossiersoluciones.com/handle/123456789/224414

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0811.0982
 http://arxiv.org/abs/0811.0982
 Int J Theor Phys 48(2009)755-762
 doi:10.1007/s10773-008-9851-6

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arXiv