182 citations · 4.3k across the 208 of their papers we have counts for
14 papers · 1 filter
Casimir-Polder potential for a metallic cylinder in cosmic string spacetime
A. A. Saharian, A. S. Kotanjyan
Casimir-Polder potential is investigated for a polarizable microparticle in the geometry of a straight cosmic string with a metallic cylindrical shell. The electromagnetic field Gr…
Casimir effect for parallel metallic plates in cosmic string spacetime
E. R. Bezerra de Mello, A. A. Saharian, A. Kh. Grigoryan
We evaluate the renormalized vacuum expectation values (VEVs) of electric and magnetic fields squared and the energy-momentum tensor for the electromagnetic field in the geometry o…
Fermionic Casimir densities in a conical space with a circular boundary and magnetic flux
E. R. Bezerra de Mello, F. Moraes, A. A. Saharian
The vacuum expectation value (VEV) of the energy-momentum tensor for a massive fermionic field is investigated in a (2+1)-dimensional conical spacetime in the presence of a circula…
Vacuum polarization induced by a cosmic string in anti-de Sitter spacetime
E. R. Bezerra de Mello, A. A. Saharian
In this paper we investigate the vacuum expectation values (VEVs) of the field squared and the energy-momentum tensor associated with a massive scalar quantum field induced by a ge…
Optical transition radiation in presence of acoustic waves for an oblique incidence
A. R. Mkrtchyan, V. V. Parazian, A. A. Saharian
Forward transition radiation is considered in an ultrasonic superlattice excited in a finite thickness plate under oblique incidence of relativistic electrons. We investigate the i…
Casimir densities for a spherical boundary in de Sitter spacetime
K. Milton, A. A. Saharian
Two-point functions, mean-squared fluctuations, and the vacuum expectation value of the energy-momentum tensor operator are investigated for a massive scalar field with an arbitrar…
Repulsive Casimir-Polder forces from cosmic strings
A. A. Saharian, A. S. Kotanjyan
We investigate the Casimir-Polder force acting on a polarizable microparticle in the geometry of a straight cosmic string. In order to develop this analysis we evaluate the electro…
Topological Casimir effect in compactified cosmic string spacetime
E. R. Bezerra de Mello, A. A. Saharian
We investigate the Wightman function, the vacuum expectation values of the field squared and the energy-momentum tensor for a massive scalar field with general curvature coupling i…
Vacuum polarization in a cosmic string spacetime induced by flat boundary
Eugênio R. Bezerra de Mello, Aram A. Saharian
In this paper we analyze the vacuum expectation values of the field squared and the energy-momentum tensor associated to a massive scalar field in a higher dimensional cosmic strin…
Casimir effect in de Sitter spacetime
A. A. Saharian
The vacuum expectation value of the energy-momentum tensor and the Casimir forces are investigated for a massive scalar field with an arbitrary curvature coupling parameter in the…
Synchrotron radiation inside a dielectric cylinder
A. A. Saharian, A. S. Kotanjyan
We investigate the electromagnetic fields generated by a charged particle rotating inside a dielectric cylinder immersed into a homogeneous medium. The expressions for the bound mo…
Exact Casimir-Polder potential between a particle and an ideal metal cylindrical shell and the proximity force approximation
V. B. Bezerra, E. R. Bezerra de Mello, G. L. Klimchitskaya +2
We derive the exact Casimir-Polder potential for a polarizable microparticle inside an ideal metal cylindrical shell using the Green function method. The exact Casimir-Polder poten…
Vacuum polarization by a flat boundary in cosmic string spacetime
E. R. Bezerra de Mello, A. A. Saharian
In this paper we analyze the vacuum expectation values of the field squared and the energy-momentum tensor associated to a massive scalar field in a higher dimensional cosmic strin…
Fermionic condensate and Casimir densities in the presence of compact dimensions with applications to nanotubes
E. Elizalde, S. D. Odintsov, A. A. Saharian
We investigate the fermionic condensate and the vacuum expectation value of the energy-momentum tensor for a massive fermionic field in the geometry of two parallel plate on the ba…