5 papers
Vacuum Energy Induced by an External Magnetic Field in a Curved Space
Yu. A. Sitenko, D. G. Rakityansky
The asymptotic expansion of the product of an operator raised to an arbitrary power and an exponential function of this operator is obtained. With the aid of this expansion, the de…
Induced Angular Momentum in (2+1)-Dimensional Spinor Electrodynamics in Curved Space
Yu. A. Sitenko, D. G. Rakityansky
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 expressio…
Quantum Numbers of the Theta Vacuum in (2+1)-Dimensional Spinor Electrodynamics: Charge and Magnetic Flux
Yu. A. Sitenko, D. G. Rakityansky
A singular configuration of an external static vector field in the form of a magnetic string polarizes the vacuum of a second-quantized theory on the plane orthogonal to the string…
Self-Adjointness and Polarization of the Fermionic Vacuum in the Background of Nontrivial Topology
Yu. A. Sitenko, D. G. Rakityansky
Singular configuration of an external static magnetic field in the form of a string polarizes vacuum in the secondly quantized theory on a plane which is orthogonal to the string a…
Angular Momentum Induced In The Fermionic Vacuum On A Rotationally-Symmetric Noncompact Riemann Surface
Yu. A. Sitenko, D. G. Rakityansky
The influence of spatial geometry on the vacuum polarization in 2+1-dimensional spinor electrodynamics is investigated. The vacuum angular momentum induced by an external static ma…