4 papers
Induced quantum numbers of a magnetic vortex at nonzero temperature
Yurii A. Sitenko, Volodymyr M. Gorkavenko
The phenomenon of the finite-temperature induced quantum numbers in fermionic systems with topological defects is analyzed. We consider an ideal gas of twodimensional relativistic…
Semiclassical gravitational effects near a singular magnetic flux
Volodymyr M. Gorkavenko, Alexander V. Viznyuk
We consider the backreaction of the vacuum polarization effect for a massive charged scalar field in the presence of a singular magnetic massless string on the background metric. U…
Fractional electric charge of a magnetic vortex at nonzero temperature
Yurii A. Sitenko, Volodymyr M. Gorkavenko
An ideal gas of twodimensional Dirac fermions in the background of a pointlike magnetic vortex with arbitrary flux is considered. We find that this system acquires fractional elect…
Induced vacuum energy-momentum tensor in the background of a d-2 - brane in d+1 - dimensional space-time
Yurii A. Sitenko, Volodymyr M. Gorkavenko
Charged scalar field is quantized in the background of a static d-2 - brane which is a core of the magnetic flux lines in flat d+1 - dimensional space-time. We find that vector pot…