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Enlarged Galilean symmetry of anyons and the Hall effect

P.A. Horváthy, L. Martina, P.C. Stichel
2005 Physics Letters B  
Enlarged planar Galilean symmetry, built of both space-time and field variables and also incorporating the "exotic" central extension is introduced. It is used to describe non-relativistic anyons coupled to an electromagnetic field. Our theory exhibits an anomalous velocity relation of the type used to explain the Anomalous Hall Effect. The Hall motions, characterized by a Casimir of the enlarged algebra, become mandatory for some critical value(s) of the magnetic field. The extension of our
more » ... extension of our scheme yields the semiclassical effective model of the Bloch electron.
doi:10.1016/j.physletb.2005.04.004 fatcat:fhpqxcdrz5awtbesexjtjlimkq