QUANTUM INTERFERENCE EFFECTS IN INELASTIC ELECTRON-PHOTON SCATTERING IN A 2D BALLISTIC MICROSTRUCTURE

被引:30
作者
GORELIK, LY
GRINCWAJG, A
KLEINER, VZ
SHEKHTER, RI
JONSON, M
机构
[1] GOTHENBURG UNIV, S-41296 GOTHENBURG, SWEDEN
[2] UKRAINIAN ACAD SCI, INST LOW TEMP PHYS & ENGN, KHARKOV 310164, UKRAINE
[3] UKRAINIAN ACAD SCI, INST PHYS & TECHNOL, KHARKOV 310108, UKRAINE
关键词
D O I
10.1103/PhysRevLett.73.2260
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We demonstrate a new effect where the electron-photon interaction in a ballistic microconstriction plays the same role as impurity scattering does in a ''dirty'' system. In the presence of an external electromagnetic field all relevant photons are coherent, and spatial interference effects in electron-photon scattering become possible in spite of the inelastic nature of the collisions. These interference effects can be controlled by the gate voltage or the frequency of the electromagnetic field. As an illustration we calculate the photoconductance of a double point-contact geometry.
引用
收藏
页码:2260 / 2263
页数:4
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