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Quantum Effect Directly Observed
Saturday, February 14, 2009 - Anuradha Menon
Home >> Headlines >> Physics
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A research team has succeeded in gaining an in-depth insight into an unusual phenomenon. The researchers succeeded for the first time in directly measuring the spin of electrons in a material that exhibits the quantum spin Hall effect, which was theoretically predicted in 2004 and first observed in 2007. Astonishingly, the spin currents flow without any external stimulus as a result of the internal structure of the material. The spin is a quantum-mechanical property of elementary particles.    (source: fz-juelich.de)


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