DOI:https://doi.org/10.1103/PhysRevLett.110.209902
© 2013 American Physical Society
A. Neubauer, C. Pfleiderer, B. Binz, A. Rosch, R. Ritz, P. G. Niklowitz, and P. Böni
Vol. 110, Iss. 20 — 17 May 2013
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