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JOURNALS // Uspekhi Fizicheskikh Nauk // Archive

UFN, 1994 Volume 164, Number 9, Pages 937–958 (Mi ufn999)

This article is cited in 36 papers

REVIEWS OF TOPICAL PROBLEMS

Solitons in nondegenerate bistable systems

L. I. Manevicha, A. V. Savinb, V. V. Smirnova, S. N. Volkovc

a N. N. Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow
b Institute for Physico-Technical Problems, Moscow
c Lomonosov Moscow State University, Faculty of Physics

Abstract: Soliton-like elementary excitations in bistable systems with nondegenerate equilibrium positions are considered. Models of specific physical systems, which can be described on the basis of this approach by a single Hamiltonian, are discussed. A detailed analysis of continuum equations of motion demonstrates the existence in such systems both of nontopological solitons participating in energy transfer and of topological solitons responsible for transitions between different equilibrium positions (transfer of a state). The results of a computer simulation are compared with the results of analytic investigations.

PACS: 64.60.-i

Received: December 31, 1994

DOI: 10.3367/UFNr.0164.199409b.0937


 English version:
Physics–Uspekhi, 1994, 37:9, 859–879

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