Phys. Rev. Lett. 48, 1443–1446 (1982)Observation of Aharonov-Bohm Effect by Electron HolographyReceived 16 February 1982; published in the issue dated 24 May 1982 In this experiment, an electron- and optical-holographic technique is employed with small toroidal ferromagnets each forming a magnetic-flux closure. The holographic interferometry proves that a phase difference between two electron beams having passed through the field-free regions agrees well with the fundamental relation known as the Aharonov-Bohm effect. It is also confirmed from the same hologram that flux leakage from the toroids does not affect the conclusion. © 1982 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.48.1443
DOI:
10.1103/PhysRevLett.48.1443
PACS:
03.65.Bz, 41.80.Dd, 42.40.Mg
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