Quantum diffusion of the positive muon in superconducting tantalum

D. B. Kadono, R. F. Kiefl, J. A. Chakhalian, S. R. Dunsiger, B. Hitti, W. A. MacFarlane, J. Major, L. Schimmele, M. Matsumoto, Y. Ohashi

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


The tunneling probability for a positive muon in high-purity tantalum is significantly enhanced by the onset of superconductivity. This establishes the predominant influence of low energy infrared couplings to the conduction electrons in the quantum tunneling motion of a charged interstitial atom in metals.

Original languageEnglish
Pages (from-to)107-110
Number of pages4
JournalPhysical review letters
Issue number1
Publication statusPublished - 1997
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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