Induced Angular Momentum in (2+1)-Dimensional Spinor Electrodynamics in Curved Space
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Effects due to fermion-vacuum polarization by an external static magnetic field are considered in a two-dimensional noncompact curved space with a nontrivial topology. An expression for the vacuun angular momentum is obtained. Like the vacuum fermion number, it proves to be dependent on the global characteristics of the field and space.
11 pages, AMSLaTeX
11 pages, AMSLaTeX