NONDISPERSIVE PHASE OF THE AHARONOV-BOHM EFFECT

被引：108
|
作者：
BADUREK, G
WEINFURTER, H
GAHLER, R
KOLLMAR, A
WEHINGER, S
ZEILINGER, A
机构：
[1] UNIV INNSBRUCK, INST EXPTL PHYS, A-6020 INNSBRUCK, AUSTRIA
[2] TECH UNIV MUNICH, REAKTORSTN GARCHING, W-8046 GARCHING, GERMANY
[3] FORSCHUNGSZENTRUM JULICH, INST FESTKORPERFORSCH, W-5170 JULICH, GERMANY
来源：
PHYSICAL REVIEW LETTERS | 1993年 / 71卷 / 03期
关键词：
D O I：
10.1103/PhysRevLett.71.307
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
An essential signature of the topological nature of all Aharonov-Bohm type phases is that they are nondispersive, i.c., independent of the velocity (wavelength) of the interfering particles. This implies that an Aharonov-Bohm phase shift can greatly exceed the usual limit given by the coherence length of the interfering beams. We report the results of a polarized neutron experiment demonstrating this property for a spin-rotation analog of the scalar Aharonov-Bohm effect.
引用
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页码：307 / 311
页数：5
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