A team of researchers at Utrecht University, the Norwegian University of Science and Technology and the University of Konstanz has recently proposed a new method to determine magnon coherence in solid-state devices. Their study, outlined in a paper published in Physical Review Letters , shows that cross-correlations of pure spin currents injected by a ferromagnet into two metal leads normalized by their dc value replicate the behavior of the second-order optical coherence function, referred to as g(2), when magnons are driven far from equilibrium.
from General Physics News - Science News, Physics News, Physics, Material Sciences, Science http://bit.ly/2HuZnLT
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