Solitons in a three parallel chains system

The study of the soliton states in the system formed by three parallel chains shows that there appear three soliton types. We made a comparison of two theoretical approaches used in this case. Davydov's method, previously applied in the study of alpha-helix, leads to only one type of antisymetr...

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Bibliographic Details
Published in:Physica A 1992-08, Vol.186 (3), p.549-562
Main Authors: Tošić, B.S., Mašković, Lj, Kapor, D.V., Knežević, G., Ćirić, D.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Lattice theory and statistics (ising, potts, etc.)
Physics
Statistical physics, thermodynamics, and nonlinear dynamical systems
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Summary:The study of the soliton states in the system formed by three parallel chains shows that there appear three soliton types. We made a comparison of two theoretical approaches used in this case. Davydov's method, previously applied in the study of alpha-helix, leads to only one type of antisymetric solitons in this case. A perturbational treatment whose zero-order approximation describes real vibron states, leads to three different soliton types for three parallel chains.
ISSN:0378-4371
1873-2119
DOI:10.1016/0378-4371(92)90216-D