Vortex solutions of a Maxwell-Chern-Simons field coupled to four-fermion theory
Seungjoon Hyun, Junsoo Shin, Jae Hyung Yee, Hyuk-jae Lee
Abstract
We find the static vortex solutions of the model of Maxwell-Chern-Simons gauge field coupled to a (2+1)-dimensional four-fermion theory. Especially, we introduce two matter currents coupled to the gauge field minimally: the electromagnetic current and a topological current associated with the electromagnetic current. Unlike other Chern-Simons solitons the N-soliton solution of this theory has binding energy and the stability of the solutions is maintained by the charge conservation laws.
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