400 citations
- A. Alikhanyan National LaboratoryAM35 papers
- Universidade Federal da ParaíbaBR21 papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT13 papers
- Yerevan State Linguistic UniversityAM9 papers
- Joint Institute for Nuclear ResearchRU7 papers
- University of RostockDE6 papers
- Institute for Informatics and Automation ProblemsAM5 papers
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- European Organization for Nuclear ResearchCH3 papers
5 papers · 2 filters
Finite temperature current densities and Bose-Einstein condensation in topologically nontrivial spaces
E. R. Bezerra de Mello, A. A. Saharian
We investigate the finite temperature expectation values of the charge and current densities for a complex scalar field with nonzero chemical potential in background of a flat spac…
Fermionic current from topology and boundaries with applications to higher-dimensional models and nanophysics
S. Bellucci, A. A. Saharian
We investigate combined effects of topology and boundaries on the vacuum expectation value (VEV) of the fermionic current in the space with an arbitrary number of toroidally compac…
Casimir-Polder interaction between an atom and a conducting wall in cosmic string spacetime
E. R. Bezerra de Mello, V. B. Bezerra, H. F. Mota +1
The Casimir-Polder interaction potential is evaluated for a polarizable microparticle and a conducting wall in the geometry of a cosmic string perpendicular to the wall. The genera…
Near-horizon dynamics of particle in extreme Reissner-Nordström and Clément-Gal'tsov black hole backgrounds: action-angle variables
Armen Saghatelian
We analyze the periodic motion in the conformal mechanics describing the particles moving near the horizon of extreme Reissner-Nordström and axion-dilaton (Clément-Gal'tsov) black…
Quantum effects in higher-dimensional cosmological models
A. A. Saharian
Vacuum energy density and stresses are investigated for a scalar field in de Sitter spacetime with an arbitrary number of toroidally compactified spatial dimensions and in anti-de…