182 citations · 4.3k across the 208 of their papers we have counts for
13 papers · 1 filter
Electromagnetic Casimir densities induced by a conducting cylindrical shell in the cosmic string spacetime
E. R. Bezerra de Mello, V. B. Bezerra, A. A. Saharian
We investigate the renormalized vacuum expectation values of the field square and the energy-momentum tensor for the electromagnetic field inside and outside of a conducting cylind…
Electrostatic self-interaction in the spacetime of a global monopole with finite core
E. R. Bezerra de Mello, A. A. Saharian
In this paper we calculate the induced electrostatic self-energy and self-force for an electrically charged particle placed at rest in the spacetime of a global monopole admitting…
Induced cosmological constant in braneworlds with warped internal spaces
A. A. Saharian
We investigate the vacuum energy density induced by quantum fluctuations of a bulk scalar field with general curvature coupling parameter on two codimension one parallel branes in…
Casimir densities for two spherical branes in Rindler-like spacetimes
A. A. Saharian, M. R. Setare
Wightman function, the vacuum expectation values of the field square and the energy-momentum tensor are evaluated for a scalar field obeying the Robin boundary conditions on two sp…
Electromagnetic field generated by a charge moving along a helical orbit inside a dielectric cylinder
A. A. Saharian, A. S. Kotanjyan, M. L. Grigoryan
The electromagnetic field generated by a charged particle moving along a helical orbit inside a dielectric cylinder immersed into a homogeneous medium is investigated. Expressions…
Generalized Abel-Plana formula as a renormalization tool in quantum field theory with boundaries
Aram A. Saharian
We apply the generalized Abel-Plana formula for the investigation of one-loop quantum effects on manifolds with boundaries. This allows to extract from the vacuum expectation value…
Surface Casimir densities and induced cosmological constant in higher dimensional braneworlds
Aram A. Saharian
We investigate the vacuum expectation value of the surface energy-momentum tensor for a massive scalar field with general curvature coupling parameter obeying the Robin boundary co…
Vacuum polarization by a composite topological defect
E. R. Bezerra de Mello, A. A. Saharian
In this paper we analyze one-loop quantum effects of a scalar field induced by a composite topological defect consisting a cosmic string on a p-dimensional brane and a (m+1)-dimens…
Vacuum polarization by a global monopole with finite core
E. R. Bezerra de Mello, A. A. Saharian
We investigate the effects of a -dimensional global monopole core on the behavior of a quantum massive scalar field with general curvature coupling parameter. In the general…
Vacuum polarization induced by a cylindrical boundary in the cosmic string spacetime
E. R. Bezerra de Mello, V. B. Bezerra, A. A. Saharian +1
In this paper we investigate the Wightman function, the renormalized vacuum expectation values of the field square, and the energy-momentum tensor for a massive scalar field with g…
Scalar Casimir effect with non-local boundary conditions
Aram Saharian, Giampiero Esposito
Non-local boundary conditions have been considered in theoretical high-energy physics with emphasis on one-loop quantum cosmology, one-loop conformal anomalies, Bose-Einstein conde…
Spinor Casimir effect for concentric spherical shells in the global monopole spacetime
E. R. Bezerra de Mello, A. A. Saharian
In this paper we investigate the vacuum polarization effects associated with a massive fermionic field due to the non-trivial topology of the global monopole spacetime and boundary…
Scalar Casimir densities for cylindrically symmetric Robin boundaries
A. A. Saharian, A. S. Tarloyan
Wightman function, the vacuum expectation values of the field square and the energy-momentum tensor are investigated for a massive scalar field with general curvature coupling para…