OBSERVATION OF QUANTUM INTERFERENCE IN A PHASE-COHERENT 2-DIMENSIONAL SUPERLATTICE

被引：8

作者：

LENSSEN, KMH

BOONMAN, MEJ

HARMANS, CJPM

FOXON, CT

机构：

[1] DELFT UNIV TECHNOL, DEPT APPL PHYS, 2600 GA DELFT, NETHERLANDS

[2] PHILIPS RES LABS, REDHILL RH1 5HA, SURREY, ENGLAND

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 03期

关键词：

D O I：

10.1103/PhysRevLett.74.454

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Electron transport in a two-dimensionally periodically modulated potential has been studied by means of gate structures on top of a GaAs/AlGaAs heterostructure. In low magnetic fields (B<1 T) conductance minima are measured due to localization of electron orbits. Superimposed on these minima, Aharonov-Bohm oscillations are observed with periods in B which are submultiples of that corresponding to a single localized orbit. This new phenomenon is attributed to phase-coherent coupling of localized orbits. © 1995 The American Physical Society.

引用

页码：454 / 457

页数：4

共 14 条

[1] SIGNIFICANCE OF ELECTROMAGNETIC POTENTIALS IN THE QUANTUM THEORY [J].