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Nature 458, 580-581 (2 April 2009) | doi:10.1038/458580a; Published online 1 April 2009
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Solid-state physics: Spin's lifetime extended
Jaroslav Fabian1
Abstract
Electrons in semiconductors are subject to forces that make their spins flip. According to new evidence, if an ensemble of spins curls into a helix, the collective spin lifetime can be greatly enhanced.
Over the past decade, electron spin — the electron's intrinsic rotation, which is commonly described as 'up' and 'down' and which gives rise to its magnetic moment — has come to the forefront of research in solid-state physics. A whole new field, called spintronics1, 2, 3, 4, has emerged as an umbrella for both applied and fundamental research on spin transport and spin control in metals and semiconductors.
- Jaroslav Fabian is at the Institute for Theoretical Physics, University of Regensburg, 93040 Regensburg, Germany.
Email: jaroslav.fabian@physik.uni-regensburg.de
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