Solitons in nondegenerate bistable systems

L.I. Manevich^a, A.V. Savin^a, V.V. Smirnov^a, S.N. Volkov^b, c
^aSemenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, ul. Kosygina, 4, Moscow, 119991, Russian Federation
^bLomonosov Moscow State University, Faculty of Physics, Leninskie Gory 1 build. 2, Moscow, 119991, Russian Federation
^cThe Johns Hopkins University, Baltimore, Maryland, USA

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
DOI: 10.1070/PU1994v037n09ABEH000043
URL: https://ufn.ru/en/articles/1994/9/b/
Web of Science

A1994PQ23800002
Citation: Manevich L I, Savin A V, Smirnov V V, Volkov S N "Solitons in nondegenerate bistable systems" Phys. Usp. 37 859–879 (1994)

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Оригинал: Маневич Л И, Савин А В, Смирнов В В, Волков С Н «Солитоны в невырожденных бистабилъных системах» УФН 164 937–958 (1994); DOI: 10.3367/UFNr.0164.199409b.0937

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