Weak antilocalization in a 2D electron gas with the chiral splitting of the spectrum

Details Weak antilocalization in a 2D electron gas with the chiral splitting of the spectrum Weak antilocalization in a 2D electron gas with the chiral splitting of the spectrum

1997-12-12

arxiv.org/abs/cond-mat/9712135v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

7 pages, REVTeX. Mistake corrected; in the limit of a large chiral splitting the correction to the conductivity does not vanis

Scientific paper

10.1134/1.567636

Motivated by the recent observation of the metal-insulator transition in Si-MOSFETs we consider the quantum interference correction to the conductivity in the presence of the Rashba spin splitting. For a small splitting, a crossover from the localizing to antilocalizing regime is obtained. The symplectic correction is revealed in the limit of a large separation between the chiral branches. The relevance of the chiral splitting for the 2D electron gas in Si-MOSFETs is discussed.

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