SOLITONS AND QUASIELECTRONS IN THE QUANTUM HALL MATRIX MODEL.

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Authors

VON UNGE Rikard HANSSON Thors Hans KAILASVOURI Janik KARLHEDE Anders

Year of publication 2005
Type Article in Periodical
Magazine / Source Physical Review B
MU Faculty or unit

Faculty of Science

Citation
Web http://arxiv.org/ps/cond-mat/0406716
Field Theoretical physics
Keywords quantum Hall effect; quasielectrons; quasiparticles; matrix models
Description We show how to incorporate fractionally charged quasielectrons in the finite quantum Hall matrix model.The quasielectrons emerge as combinations of BPS solitons and quasiholes in a finite matrix version of the noncommutative $\phi^4$ theory coupled to a noncommutative Chern-Simons gauge field. We also discuss how to properly define the charge density in the classical matrix model, and calculate density profiles for droplets, quasiholes and quasielectrons.
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