Gradient and amplitude scattering in surface-corrugated waveguides -: art. no. 041403

被引：16
|
作者：
Izrailev, FM [1 ]
Makarov, NM
Rendón, M
机构：
[1] Univ Autonoma Puebla, Inst Fis, Puebla 752570, Mexico
[2] Univ Autonoma Puebla, Inst Ciencias, Puebla 752570, Mexico
[3] Univ Autonoma Puebla, Fac Ciencias Elect, Puebla 752570, Mexico
来源：
PHYSICAL REVIEW B | 2005年 / 72卷 / 04期
关键词：
D O I：
10.1103/PhysRevB.72.041403
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We investigate the interplay between amplitude and square-gradient scattering from the rough surfaces in multimode waveguides (conducting quantum wires). The main result is that for any (even small in height) roughness the square-gradient terms in the expression for the wave-scattering length (electron mean free path) are dominant, provided the correlation length of the surface disorder is small enough. This important effect is missed in existing studies of the surface scattering.
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页数：4
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