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On the Effective Evolution Equation of the Scalar Field in the New Inflationary Universe

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Gauge Theory and the Early Universe

Part of the book series: NATO ASI Series ((ASIC,volume 248))

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Abstract

The one loop effective evolution equation of the scalar field driving inflation in the new inflationary universe scenario is derived using a perturbative calculation scheme proposed recently by M. Morikawa and M. Sasaki. The expectation value ⍕ of the scalar field is allowed to be dependent on time. We show that for an adiabatic evolving meanfield ⍕ (t) there arises the derivative of the effective potential as well as a local damping term proportional to ⍕ , which has its origin in the fact that particles which will be created by the time dependence of the meanfield will decay subsequently into lighter particles.

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Author information

Authors and Affiliations

  1. Institute for Theoretical Physics, University of Heidelberg, Philosophenweg 16, 6900, Heidelberg, Germany

    A. Ringwald

Authors
  1. A. Ringwald
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Editor information

Editors and Affiliations

  1. Istituto di Cosmogeofisica del CNR, Torino, Italy

    P. Galeotti

  2. Astronomy and Astrophysics Center, University of Chicago, Chicago, IL, USA

    David N. Schramm

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© 1988 Kluwer Academic Publishers

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Ringwald, A. (1988). On the Effective Evolution Equation of the Scalar Field in the New Inflationary Universe. In: Galeotti, P., Schramm, D.N. (eds) Gauge Theory and the Early Universe. NATO ASI Series, vol 248. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3059-9_15

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  • DOI: https://doi.org/10.1007/978-94-009-3059-9_15

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-7876-4

  • Online ISBN: 978-94-009-3059-9

  • eBook Packages: Springer Book Archive

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