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Spectrum of Scalar Curvature Perturbations in Krein Space Quantization

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Abstract

The main goal of this paper is to derive the primordial power spectrum for the scalar perturbations generated as a result of quantum fluctuations during an inflationary period by an alternative approach of field quantization, i.e. Krein space quantization (Gazeau et al. in Class. Quantum Gravity 17:1415, 2000; Takook in Int. J. Mod. Phys. 11:509, 2002; Rouhani and Takook in Int. J. Theor. Phys. 48:2740, 2009). The spectrum of scalar curvature perturbations are calculated in the slow roll approximation.

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Authors and Affiliations

  1. Plasma Physics Research Center, Science and Research Branch, Islamic Azad University, Tehran, Iran

    A. Sojasi & M. V. Takook

  2. Department of Physics, Qom Branch, Islamic Azad University, Qom, Iran

    M. Mohsenzadeh

  3. Department of Physics, Amol Branch, Islamic Azad University, Mazandaran, Iran

    E. Yusofi

Authors
  1. A. Sojasi
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  2. M. Mohsenzadeh
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  3. M. V. Takook
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  4. E. Yusofi
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Correspondence to A. Sojasi.

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Sojasi, A., Mohsenzadeh, M., Takook, M.V. et al. Spectrum of Scalar Curvature Perturbations in Krein Space Quantization. Int J Theor Phys 49, 2409–2416 (2010). https://doi.org/10.1007/s10773-010-0426-y

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  • DOI: https://doi.org/10.1007/s10773-010-0426-y

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