Non-Abelian geometric phases and conductance of spin-holes
- 15 May 1998
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 57 (19) , 12302-12305
- https://doi.org/10.1103/physrevb.57.12302
Abstract
Angular momentum holes in semiconductor heterostructures are shown to accumulate non-Abelian geometric phases as a consequence of their motion. We provide a general framework for analyzing such a system and compute conductance oscillations for a simple ring geometry. We also analyze a figure-eight geometry that captures intrinsically non-Abelian interference effects.
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