Computer simulation study on propagation of nonlinear waves through heavily defective crystals

被引：1

作者：

Hiki, Y ^{[1
]}

Itaba, M ^{[1
]}

Komuro, R ^{[1
]}

Minato, A ^{[1
]}

Ozawa, S ^{[1
]}

机构：

[1] Tokyo Inst Technol, Fac Sci, Tokyo 1510062, Japan

来源：

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL. 1, NO. 11 | 2004年 / 1卷 / 11期

关键词：

D O I：

10.1002/pssc.200405295

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

A molecular dynamics computer simulation has been performed for a monatomic, anharmonic, and two-dimensional hexagonal crystal. Central forces between the nearest neighbor atoms and anharmonic forces up to the third order are considered. Pulse displacements are applied to the line of atoms at the left end of a rectangular model crystal, in the right half of which a number of light or heavy mass defects are randomly placed. Phonons or solitons propagating in the crystal and scattered by the defects are observed. (C) 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：2761 / 2764

页数：4

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