An Atom in the Bloch State

R. Kadono, W. Higemoto, K. Nagamine, and F. L. Pratt
Phys. Rev. Lett. 83, 987 – Published 2 August 1999
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A resonant enhancement of muon spin relaxation has been observed at a field where the muonium Zeeman splitting crosses a Van Hove singularity in the small polaron band for interstitial muonium in potassium chloride. This feature is predicted only for muonium in a coherent state near the bottom of the band and thus clearly establishes that a light interstitial atom such as muonium can exist in a Bloch state in an ordered crystalline host at low temperature.

  • Received 8 April 1999


©1999 American Physical Society

Authors & Affiliations

R. Kadono and W. Higemoto

  • Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan

K. Nagamine* and F. L. Pratt

  • The Institute of Physical and Chemical Research (RIKEN), 2-1 Hirosawa, Wako, Saitama 351-0198, Japan

  • *Also at Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan.

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Vol. 83, Iss. 5 — 2 August 1999

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