36 citations · 110 across the 15 of their papers we have counts for
15 papers
Fermionic Casimir memory from an anisotropic gravitational pulse
Celio R. Muniz, Herondy F. Santana Mota
We investigate the late-time energy deposited by a weak, spatially homogeneous anisotropic gravitational pulse in a massless Dirac field confined between two static parallel plates…
Induced current by a magnetic flux in dimensional conical spacetime in a Ho{ř}ava-Lifshitz Lorentz-violating scenario
E. R. Bezerra de Mello, H. F. Santana Mota
We investigate the vacuum expectation value of bosonic current induced by a magnetic flux in a dimensional conical spacetime in the presence of a circular boundary, in a Ho…
Vacuum energy density for interacting real and complex scalar fields in a Lorentz symmetry violation scenario
A. J. D. Farias Junior, A. Smirnov, Herondy F. Santana Mota +1
In this paper the vacuum energy density and generation of topological mass are investigated for a system of a real and complex scalar fields interacting with each other. In additio…
Quantum Brownian motion induced by a scalar field in Einstein's universe
E. J. B. Ferreira, H. F. Santana Mota
The Brownian motion of a point particle induced by quantum vacuum fluctuations of a massless real scalar field in Einstein's universe is studied. By assuming the small displacement…
Bosonic Casimir effect in an aether-like Lorentz-violating scenario with higher order derivatives
R. A. Dantas, H. F. Santana Mota, E. R. Bezerra de Mello
In this paper we investigate the bosonic Casimir effect in a Lorentz-violating symmetry scenario. The theoretical model adopted consists of a real massive scalar quantum field conf…
Casimir effect, loop corrections and topological mass generation for interacting real and complex scalar fields in Minkowski spacetime with different conditions
A. J. D. Farias Junior, Herondy F. Santana Mota
In this paper the Casimir energy density, loop corrections, and generation of topological mass are investigated for a system consisting of two interacting real and complex scalar f…
Quantum Brownian motion induced by an inhomogeneous tridimensional space and a topological space-time
Éwerton J. B. Ferreira, Eliza M. B. Guedes, Herondy F. Santana Mota
In this paper we investigate the Quantum Brownian motion of a point particle induced by quantum vacuum fluctuations of a massless scalar field in (3 + 1)-dimensional Minkowski spac…
Loop correction to the scalar Casimir energy density and generation of topological mass due to a helix boundary condition in a scenario with Lorentz violation
A. J. D. Farias Junior, Herondy F. Santana Mota
In this paper the effective potential approach in quantum field theory is used in order to investigate self-interaction loop correction to the Casimir energy density and generation…
Quantum Brownian motion for a particle in analog expanding cosmologies in the presence of disclination
E. J. B. Ferreira, E. R. Bezerra de Mello, H. F. Santana Mota
In this paper we study the quantum brownian motion of a scalar point particle in the analog Friedman-Robertson-Walker spacetime in the presence of a disclination, in a condensed ma…
Fermionic vacuum polarization induced by a non-Abelian vortex
E. R. Bezerra de Mello, H. F. Santana Mota
In this paper, we analyze the fermionic condensate (FC) and the vacuum expectation value (VEV) of the energy-momentum tensor associated with an isospin- charged massive fermio…
Scalar self-interaction in the spacetime of a cosmic dispiration
K. E. L. de Farias, E. A. F. Bragança, H. F. Santana Mota
In the present paper we investigate the classical self-interaction associated with a charged scalar point particle placed at rest in the gravitational field of a linear topological…
Ground state energy and topological mass in spacetimes with nontrivial topology
Paulo J. Porfírio, Herondy F. Santana Mota, Gabriel Queiroz Garcia
In the present paper, we investigate the ground state energy of a massless scalar field and generation of topological mass by considering a quasi-periodically identified Minkowski…
Induced vacuum bosonic current in a compactified cosmic string spacetime
E. A. F. Bragança, H. F. Santana Mota, E. R. Bezerra de Mello
We analyze the bosonic current densities induced by a magnetic flux running along an idealized cosmic string considering that the coordinate along its axis is compactified. We also…
Induced vacuum bosonic current by magnetic flux in a higher dimensional compactified cosmic string spacetime
E. A. F. Bragança, H. F. Santana Mota, E. R. Bezerra de Mello
In this paper, we analyse the bosonic current densities induced by a magnetic flux running along an idealized cosmic string in a high-dimensional spacetime, admitting that the coor…
Big-Bang Nucleosynthesis and Gamma-Ray Constraints on Cosmic Strings with a large Higgs condensate
H. F. Santana Mota, Mark Hindmarsh
We consider constraints on cosmic strings from their emission of Higgs particles, in the case that the strings have a Higgs condensate with amplitude of order the string mass scale…