Universal spin-induced Time Reversal Symmetry breaking in two-dimensional electron gases with Rashba spin-orbit interaction

Details Universal spin-induced Time Reversal Symmetry breaking in two-dimensional electron gases with Rashba spin-orbit interaction Universal spin-induced Time Reversal Symmetry breaking in two-dimensional electron gases with Rashba spin-orbit interaction

2004-12-28

arxiv.org/abs/cond-mat/0412731v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Accepted for publication in PRL

Scientific paper

10.1103/PhysRevLett.94.186805

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

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