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Title: Spin relaxation in narrow wires of a two-dimensional electron gas
Authors: Schwab, Peter
Dzierzawa, Michael
Gorini, Cosimo
Raimondi, Roberto
Keywords: two-dimensional electron gas
magnetic relaxation
spin-polarized transport
spin-orbit interaction
Issue Date: 19-Oct-2006
Publisher: American Physical Society
Source: 29
Abstract: How does an initially homogeneous spin polarization in a confined two-dimensional electron gas with Rashba spin-orbit coupling evolve in time? How does the relaxation time depend on system size? We study these questions for systems of a size that is much larger than the Fermi wavelength, but comparable and even shorter than the spin relaxation length. Depending on the confinement spin relaxation may become faster or slower than in the bulk. An initially homogeneously polarized spin system evolves into a spiral pattern.
DOI: 10.1103/PhysRevB.74.155316
Appears in Collections:A - Articolo su rivista
X_Dipartimento di Fisica 'Edoardo Amaldi'

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