19 citations · 65 across the 10 of their papers we have counts for
5 papers · 1 filter
On the four-body problem in the Born-Oppenheimer approximation
C. A. Escobar, A. Martín-Ruiz
The quantum problem of four particles in (), with arbitrary masses and , interacting through an harmonic oscillator potential is consider…
Lorentz violating scalar Casimir effect for a -dimensional sphere
A. Martín-Ruiz, C. A. Escobar, A. M. Escobar-Ruiz +1
We investigate the Casimir effect, due to the confinement of a scalar field in a -dimensional sphere, with Lorentz symmetry breaking. The Lorentz-violating part of the theory is…
A non-perturbative approach to the scalar Casimir effect with Lorentz symmetry violation
C. A. Escobar, A. Martín-Ruiz, O. J. Franca +1
We determine the effect of Lorentz invariance violation in the vacuum energy and stress between two parallel plates separated by a distance , in the presence of a massive real s…
Casimir effect in Lorentz-violating scalar field theory: a local approach
C. A. Escobar, Leonardo Medel, A. Martín-Ruiz
We study the Casimir effect in the classical geometry of two parallel conductive plates, separated by a distance , for a Lorentz-breaking extension of the scalar field theory. T…
Degenerate behavior in nonlinear vacuum electrodynamics
C. A. Escobar, R. Potting
We study nonlinear vacuum electrodynamics in the first-order formulation proposed by Plebański. We analyze in detail the equations of motion, and identify conditions for which a si…