By controlling the collective spin state of highly mobile electrons in semiconductors, researchers in the Materials Sciences Division (MSD) at the U.S. Department of Energy’s Lawrence Berkeley National Laboratory have taken a major step forward in the technology of spintronics. At the same time they have discovered a new conservation law, an important advance in fundamental physics. "With our spin-orbit tuning, electrons that start at point A with the same spin may take many different paths" (source: newscenter.lbl.gov)
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