Exotic galilean symmetry and non-commutative mechanics

Details Exotic galilean symmetry and non-commutative mechanics Exotic galilean symmetry and non-commutative mechanics

2010-02-25

arxiv.org/abs/1002.4772v4

SIGMA 6 (2010), 060, 26 pages

Physics

High Energy Physics

High Energy Physics - Theory

Review paper. Published version

Scientific paper

10.3842/SIGMA.2010.060

Some aspects of the "exotic" particle, associated with the two-parameter central extension of the planar Galilei group are reviewed. A fundamental property is that it has non-commuting position coordinates. Other and generalized non-commutative models are also discussed. Minimal as well as anomalous coupling to an external electromagnetic field is presented. Supersymmetric extension is also considered. Exotic Galilean symmetry is also found in Moyal field theory. Similar equations arise for a semiclassical Bloch electron, used to explain the anomalous/spin/optical Hall effects.

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