On soliton-mediated fast electric conduction in a nonlinear lattice with Morse interactions

被引:26
作者
Velarde, Manuel G. [1 ]
Ebeling, Werner [1 ]
Hennig, Dirk [1 ]
Neissner, Christian [1 ]
机构
[1] Univ Complutense Madrid, Inst Pluridisciplinar, E-28040 Madrid, Spain
来源
INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS | 2006年 / 16卷 / 04期
关键词
solitons; nonlinearity; lattices; electric conduction; Morse interaction;
D O I
10.1142/S0218127406015283
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Assuming the quantum mechanical "tight binding" of an electron to a nonlinear lattice with Morse potential interactions we show how electric conduction can be mediated by solitons. For relatively high values of an applied electric field the current follows Ohm's law. As the field strength is lowered the current takes a finite, constant, field-independent value.
引用
收藏
页码:1035 / 1039
页数:5
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