1.
Phys Rev E Stat Nonlin Soft Matter Phys
; 68(5 Pt 1): 051101, 2003 Nov.
Artigo
em Inglês
| MEDLINE
| ID: mdl-14682782
RESUMO
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.
