Resummation of Vacuum Bubble Diagrams in Gaussian Propagator Model

Details Resummation of Vacuum Bubble Diagrams in Gaussian Propagator Model Resummation of Vacuum Bubble Diagrams in Gaussian Propagator Model

1997-07-18

arxiv.org/abs/hep-th/9707161v1

Phys.Lett. B418 (1998) 145-148

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, 5 figures, REVTeX

Scientific paper

10.1016/S0370-2693(97)01493-7

An imaginary part of the false-vacuum energy density in a metastable system,
i.e., the decay width due to quantum tunneling, might be reproduced by Borel
resummation of vacuum bubble diagrams. We examine the convergence of this
prescription in the Gaussian propagator model, in which the analytical
expression of vacuum bubbles to the ninth order of loop expansion is available.

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