Universal spin-induced time reversal symmetry breaking in two-dimensional electron gases with rashba spin-orbit interaction

F. E. Meijer, A. F. Morpurgo, T. M. Klapwijk, J. Nitta

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44 Citations (Scopus)

Abstract

We have experimentally studied the spin-induced time reversal symmetry (TRS) breaking as a function of the relative strength of the Zeeman energy (EZ) and the Rashba spin-orbit interaction energy (ESOI), in InGaAs-based 2D electron gases. We find that the TRS breaking, and hence the associated dephasing time τ (B), saturates when EZ becomes comparable to ESOI. Moreover, we show that the spin-induced TRS breaking mechanism is a universal function of the ratio EZ/ESOI, within the experimental accuracy.

Original languageEnglish
Article number186805
JournalPhysical review letters
Volume94
Issue number18
DOIs
Publication statusPublished - 2005 May 13

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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