Soliton-antisoliton pair creation in strong external fields

Abstract:

The features of soliton-antisoliton (fermion-antifermion) pair creation due to instantaneous uniform external electric fields are investigated in the sine-Gordon (massive Thirring) theory. Under the coherent-state approximation of soliton states improved via the generator-coordinate method, it is found that the momentum spectra of solitons and antisolitons have a peak structure, some of whose qualitative properties are quite reminiscent of the ones of the electron and positron peaks found in recent heavy-ion collision experiments at Gesellschaft f̈r Schwerionenforschung Darmstadt. © 1987 The American Physical Society.

Año de publicación:

1987

Keywords:

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