62 citations · 337 across the 36 of their papers we have counts for
20 papers · 1 filter
On The Influence of Two Parallel Plates on Atomic Levels
D. T. Alves, F. A. Barone, C. Farina +1
This paper is devoted to the study of the influence of two parallel plates on the atomic levels of a Hydrogen atom placed in the region between the plates. We treat two situations,…
Thermodynamics of Abelian Gauge Fields in Real Hyperbolic Spaces
A A Bytsenko, V S Mendes, A C Tort
We work with dimensional compact real hyperbolic space with universal covering and fundamental group . Therefore, is the symmetric space , where $G=SO_1(N…
On the Casimir energy of a massive scalar field in positive curvature space
E Elizalde, A C Tort
We re-evaluate the zero point Casimir energy for the case of a massive scalar field in space, allowing also for deviations from the standard co…
An alternative calculation of the Casimir energy for kappa-deformed electrodynamics
D Pinheiro, F C Santos, A. C. Tort
A simple, but effcient way of calculating regularized Casimir energies suitable for non-trivial frequency spectra is briefly described and applied to the case of a kappa-deformed s…
Forms on vector bundles over compact hyperbolic manifolds and entropy bounds
A. A. Bytsenko, V. S. Mendes, A. C. Tort
We analyze gauge theories based on abelian forms in real compact hyperbolic manifolds. The explicit thermodynamic functions associated with skew--symmetric tensor fields are ob…
A note on the Casimir energy of a massive scalar field in positive curvature space
E. Elizalde, A. C. Tort
We re-evaluate the zero point Casimir energy for the case of a massive scalar field in space, allowing also for deviations from the standard co…
Entropy bounds for massive scalar field in positive curvature space
E. Elizalde, A. C. Tort
We consider a massive scalar field with arbitrary coupling in space, which mimics the thermal expanding universe, and calculate explicitly all…
Confined quantum fields under the influence of a uniform magnetic field
E. Elizalde, F. C. Santos, A. C. Tort
We investigate the influence of a uniform magnetic field on the zero-point energy of charged fields of two types, namely, a massive charged scalar field under Dirichlet boundary co…
The Casimir energy of a massive fermionic field confined in a d+1 dimensional slab-bag
E. Elizalde, F. C. Santos, A. C. Tort
We evaluate the fermionic Casimir effect associated with a massive fermion confined within a planar (d+1) dimensional slab-bag, on which MIT bag model boundary conditions of standa…
The thermal energy of a scalar field in a one-dimensional compact space
E. Elizalde, A. C. Tort
We discuss some controverted aspects of the evaluation of the thermal energy of a scalar field in a one-dimensional compact space. The calculations are carried out using a generali…
Vacuum confinement at finite temperature for scalar QED in magnetic field and deformed boundary condition
M. V. Cougo-Pinto, C. Farina, J. F. M. Mendes +1
We investigate the Casimir effect at finite temperature for a charged scalar field in the presence of an external uniform and constant magnetic field, perpendicular to the Casimir…
Duality Transformations and temperature inversion symmetry
F C Santos, A C Tort
We argue that the temperature inversion symmetry present in the original Casimir setup and also in other Casimir systems for which symmetrical boundary conditions are imposed is no…
The non-retarded dispersive force between an electrically polarizable atom and a magnetically polarizable one
C. Farina, F. C. Santos, A. C. Tort
Using perturbative QED we show that, while the retarded dispersive force between an electrically polarizable atom and a magnetically polarizable one is proportional to , w…
Quantum Maxwell Stresses and the Casimir Effect
C. Farina, J. J. Passos Sobrinho, A. C Tort
We evaluate the quantum correlators associated with the Maxwell field vacuum distorted by the presence of plane parallel material surfaces. Regularization is performed through the…
Confined Maxwell Field and Temperature Inversion Symmetry
A. C. Tort, F. C. Santos
We evaluate the Casimir vacuum energy at finite temperature associated with the Maxwell field confined by a perfectly conducting rectangular cavity and show that an extended versio…
Casimir effect at finite temperature of charged scalar field
M. V. Cougo-Pinto, C. Farina, M. R. Negrao +1
The Casimir effect for Dirac as well as for scalar charged particles is influenced by external magnetic fields. It is also influenced by finite temperature. Here we consider the Ca…
Fermionic Casimir effect in an external magnetic field
M. V. Cougo-Pinto, C. Farina, A. C. Tort
The influence of an external constant uniform magnetic field on the Casimir energy density of a Dirac field under antiperiodic (and periodic) boundary condition is computed by appl…
Magnetic permeability of constrained scalar QED vacuum
M. V. Cougo-Pinto, C. Farina, M. R. Negrao +1
We compute the influence of boundary conditions on the Euler-Heisenberg effective Lagrangian scalar QED scalar for the case of a pure magnetic field. The boundary conditions constr…
Zeta Function Method for Repulsive Casimir Forces at Finite Temperature
F. C. Santos, A. Tenório, A. C. Tort
We compute the Casimir energy between an unusual pair of parallel plates at finite temperature, namely, a perfectely conducting plate () and an infinitely permeable one…
Magnetic Permeability of Constrained Fermionic Vacuum
M. V. Cougo-Pinto, C. Farina, A. Tort +1
We obtain using Schwinger's proper time approach the Casimir-Euler-Heisenberg effective action of fermion fluctuations for the case of an applied magnetic field. We implement here…