DOI:https://doi.org/10.1103/PhysRevLett.101.139901
©2008 American Physical Society
Yasuhisa Inada, Munekazu Horikoshi, Shuta Nakajima, Makoto Kuwata-Gonokami, Masahito Ueda, and Takashi Mukaiyama
Vol. 101, Iss. 13 — 26 September 2008
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