Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1995-11-23
Physics
High Energy Physics
High Energy Physics - Theory
6 pages in Latex; shortened version to appear in Phys.Rev.D
Scientific paper
10.1103/PhysRevD.53.7260
We consider slow motion of a pointlike topological defect (vortex) in the nonlinear Schrodinger equation minimally coupled to Chern-Simons gauge field and subject to external uniform magnetic field. It turns out that a formal expansion of fields in powers of defect velocity yields only the trivial static solution. To obtain a nontrivial solution one has to treat velocities and accelerations as being of the same order. We assume that acceleration is a linear form of velocity. The field equations linearized in velocity uniquely determine the linear relation. It turns out that the only nontrivial solution is the cyclotron motion of the vortex together with the whole condensate. This solution is a perturbative approximation to the center of mass motion known from the theory of magnetic translations.
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