Datta-Das type spin-field effect transistor in non-ballistic regime

Details Datta-Das type spin-field effect transistor in non-ballistic regime Datta-Das type spin-field effect transistor in non-ballistic regime

2007-06-25

arxiv.org/abs/0706.3557v1

Physics

Condensed Matter

Other Condensed Matter

8 pages, 3 figures

Scientific paper

10.1103/PhysRevB.77.045323

It is revealed that in spin helix state of (001) quantum well system, strong suppression of D'yakonov-Perel' spin relaxation process occurs by an interplay between Rashba and Dresselhaus couplings over a wide range of Rashba coupling strength. Contrary to common belief in early works, this leads to the finding that Datta-Das type spin-field effect transistor is actually applicable to more realistic non-ballistic transport regime in two dimensional electron gas system.

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