DOI:https://doi.org/10.1103/PhysRevLett.106.109902
© 2011 American Physical Society
E. N. Nerush and I. Yu. Kostyukov
A. M. Fedotov and N. B. Narozhny
N. V. Elkina and H. Ruhl
Vol. 106, Iss. 10 — 11 March 2011
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