DOI:https://doi.org/10.1103/PhysRevLett.76.3662.2
©1996 American Physical Society
Alfred Leitenstorfer, Cornelius Fürst, Alfred Laubereau, Wolfgang Kaiser, Günther Tränkle, and Günter Weimann
Vol. 76, Iss. 19 — 6 May 1996
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