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Discovery of a magnonic supercurrent at room temperature

Supercurrents are known physical phenomena related to the phenomena of superconductivity and superfluidity. Until now, they have only been observed at very low temperatures. Our results about the discovery of a magnonic supercurrent in a YIG film at room temperature were recently published in Nature Physics:

Supercurrent in a room-temperature Bose–Einstein magnon condensate, Dmytro A. Bozhko, Alexander A. Serga, Peter Clausen, Vitaliy I. Vasyuchka, Frank Heussner, Gennadii A. Melkov, Anna Pomyalov, Victor S. L’vov and Burkard Hillebrands, Nature Physics AOP 2016, dx.doi.org/10.1038/nphys3838.

Further information can be found here and here.