Controlled double-slit electron diffraction

被引：130

作者：

Bach, Roger ^{[1
]}

Pope, Damian ^{[2
]}

Liou, Sy-Hwang ^{[1
]}

Batelaan, Herman ^{[1
]}

机构：

[1] Univ Nebraska, Dept Phys & Astron, Lincoln, NE 68588 USA

[2] Perimeter Inst Theoret Phys, Waterloo, ON N2L 2Y5, Canada

来源：

NEW JOURNAL OF PHYSICS | 2013年 / 15卷

基金：

美国国家科学基金会;

关键词：

INTERFERENCE; BUILDUP;

D O I：

10.1088/1367-2630/15/3/033018

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Double-slit diffraction is a corner stone of quantum mechanics. It illustrates key features of quantum mechanics: interference and the particle-wave duality of matter. In 1965, Richard Feynman presented a thought experiment to show these features. Here we demonstrate the full realization of his famous thought experiment. By placing a movable mask in front of a double-slit to control the transmission through the individual slits, probability distributions for single-and double-slit arrangements were observed. Also, by recording single electron detection events diffracting through a double-slit, a diffraction pattern was built up from individual events.

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