Study of the Coleman - de Luccia instanton of the second order

Details Study of the Coleman - de Luccia instanton of the second order Study of the Coleman - de Luccia instanton of the second order

2004-08-04

arxiv.org/abs/gr-qc/0408012v3

Phys.Scripta 74 (2006) 240-242

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

three pages, one figure

Scientific paper

10.1088/0031-8949/74/2/016

We study the second order Coleman - de Luccia instanton which appears as the curvature of the effective potential reaches a sufficiently large value. We show how one can find the approximative formula for this instanton by perturbative expansion in the case when the second derivative of the effective potential divided by the Hubble parameter squared is close to -10, and we perform a numerical study of this instanton in the case of quasi-exponential potential.

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