Stimulated diffusion of an adsorbed dimer

被引:33
作者
Braun, OM [1 ]
Ferrando, R
Tommei, GE
机构
[1] Natl Acad Sci Ukraine, Inst Phys, UA-03650 Kiev, Ukraine
[2] Univ Genoa, Dipartimento Fis, CNR, CFSBT, I-16146 Genoa, Italy
[3] Univ Genoa, INFM, I-16146 Genoa, Italy
来源
PHYSICAL REVIEW E | 2003年 / 68卷 / 05期
关键词
D O I
10.1103/PhysRevE.68.051101
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
The mobility and the diffusivity of a dimer (two atoms coupled by an elastic spring) in a periodic substrate potential under the action of the dc and ac external forces are studied. It is shown that the dimer diffusivity may be strongly enhanced due to driving.
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页数:8
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