Dynamics of nonlinear excitations in the Frenkel-Kontorova model with a double-barrier potential

被引:1
作者
Gorbach, AV
Kovalev, AS
Usatenko, OV
机构
[1] Kharkov Natl Univ, UA-61077 Kharkov, Ukraine
[2] Natl Acad Sci Ukraine, B Verkin Inst Low Temp Phys & Engn, UA-61103 Kharkov, Ukraine
[3] Natl Acad Sci Ukraine, Inst Radiophys & Elect, UA-61085 Kharkov, Ukraine
关键词
D O I
10.1063/1.1388424
中图分类号
O59 [应用物理学];
学科分类号
摘要
A nonlinear elastic chain in an external periodic double-barrier potential (a generalized Frenkel-Kontorova model) is considered. Small-amplitude dynamical localized excitations whose parameters lie in and near the gap of the spectrum of linear waves-gap and near-gap solitons-are investigated. (C) 2001 American Institute of Physics.
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页码:579 / 584
页数:6
相关论文
共 13 条
[1]  
Ablowitz MJ., 1981, SOLITONS INVERSE SCA, V4
[2]  
[Anonymous], 1967, THEORY DISLOCATIONS
[3]   Nonlinear dynamics of the Frenkel-Kontorova model [J].
Braun, OM ;
Kivshar, YS .
PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 1998, 306 (1-2) :1-108
[4]  
Frenkel Ya I., 1938, ZH EKSP TEOR FIZ, V8, P1340
[5]  
Kosevich A. M., 1989, Introduction to Nonlinear Physical Mechanics
[6]  
KOSEVICH AM, 1974, MAT SCH RAD INDUCED, V1, P186
[7]   Bifurcation picture for gap solitons in nonlinear modulated systems [J].
Kovalev, AS ;
Usatenko, OV ;
Gorbatch, AV .
PHYSICAL REVIEW E, 1999, 60 (02) :2309-2316
[8]  
KOVALEV AS, IN PRESS FIZ TEKH TE
[9]  
KOVALEV AS, UNPUB PHYS REV E
[10]  
LANDA PS, 1991, SOV PHYS USP, V34, P830