DOI:https://doi.org/10.1103/PhysRevLett.87.139901
©2001 American Physical Society
A. W. Hunt, D. B. Cassidy, P. A. Sterne, T. E. Cowan, R. H. Howell, K. G. Lynn, and J. A. Golovchenko
Vol. 87, Iss. 13 — 24 September 2001
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