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Bubbles Without Cores, T. C. Shen
Bubbles Without Cores, T. C. Shen
T. -C. Shen
The decay of a false vacuum in a theory without a true vacuum is studied. Using variational arguments, we find that for a class of potentials of the type aφi+bφi (a>0, b<0 and i2φ2—ηφ3+ λφ4 is presented to discuss the transition from a thin-wall bubble to a thick-walled one. The validity conditions of using these solutions to describe the false vacuum decay within the framework of the semiclassical approximation are discussed.