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- Title
ANYONS FROM DIRAC FERMIONS.
- Authors
HANSSON, T. H.; SPORRE, M.; LEINAAS, J. M.
- Abstract
We show that interacting Dirac fermions in 2+1 dimensions behave as anyons in the non-relativistic limit. The reason is a spin-orbit coupling originating from both the magnetic μ · B-type interaction and the Thomas precession effect. We demonstrate this phenomenon by calculating and analyzing the Breit potential or QED and a scalar exchange theory to O(1/c2). We also show that there is a qualitative difference between the statistical phases arising from the magnetic interaction and from the Thomas precession, in that only the former can be detected as a Berry phase.
- Publication
Modern Physics Letters A, 1991, Vol 6, Issue 1, p45
- ISSN
0217-7323
- Publication type
Article
- DOI
10.1142/S0217732391002608