Instanton-Like Transitions at High Energies in (1+1) Dimensional Scalar Models
D. T. Son, V. A. Rubakov
Abstract
Instanton-like transitions (``shadow processes'') are considered in (1+1) dimensional models with one scalar field whose potential is a quadratic well with a cliff. The corresponding classical boundary value problem is solved, and the semiclassical transition probabilities are found in a rather wide range of energies and the numbers of initial particles.
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