Vacuum currents induced by a magnetic flux around a cosmic string with finite core
We evaluate the Hadamard function and the vacuum expectation value of the current density
for a massive complex scalar field in the generalized geometry of a straight cosmic string …
for a massive complex scalar field in the generalized geometry of a straight cosmic string …
Vacuum polarization in high-dimensional AdS space-time in the presence of a cosmic string and a compactified extra dimension
WO Dos Santos, ER Bezerra de Mello… - The European Physical …, 2020 - Springer
In this paper, we analyze the vacuum expectation values (VEVs) of the field squared and the
energy–momentum tensor associated with a charged and massive scalar quantum field in a …
energy–momentum tensor associated with a charged and massive scalar quantum field in a …
Fermionic vacuum polarization around a cosmic string in compactified AdS spacetime
We investigate topological effects of a cosmic string and compactification of a spatial
dimension on the vacuum expectation value (VEV) of the energy-momentum tensor for a …
dimension on the vacuum expectation value (VEV) of the energy-momentum tensor for a …
Induced current in high-dimensional AdS spacetime in the presence of a cosmic string and a compactified extra dimension
W Oliveira dos Santos, HF Mota, ER Bezerra de Mello - Physical Review D, 2019 - APS
In this paper, we analyze the bosonic current densities induced by a magnetic flux running
along the core of an idealized cosmic string in a high-dimensional anti-de Sitter spacetime …
along the core of an idealized cosmic string in a high-dimensional anti-de Sitter spacetime …
Fermionic vacuum polarization by a flat boundary in cosmic string spacetime
ERB de Mello, AA Saharian… - Classical and Quantum …, 2012 - iopscience.iop.org
In this paper, we investigate the fermionic condensate and the renormalized vacuum
expectation value (VEV) of the energy–momentum tensor for a massive fermionic field …
expectation value (VEV) of the energy–momentum tensor for a massive fermionic field …
Casimir effect for parallel metallic plates in cosmic string spacetime
ERB de Mello, AA Saharian… - Journal of Physics A …, 2012 - iopscience.iop.org
We evaluate the renormalized vacuum expectation values (VEVs) of electric and magnetic
field squared and the energy–momentum tensor for the electromagnetic field in the …
field squared and the energy–momentum tensor for the electromagnetic field in the …
Induced fermionic currents in de Sitter spacetime in the presence of a compactified cosmic string
A Mohammadi, ERB de Mello… - Classical and Quantum …, 2015 - iopscience.iop.org
We investigate the vacuum fermionic currents in the geometry of a compactified cosmic
string on the background of de Sitter (dS) spacetime. The currents are induced by magnetic …
string on the background of de Sitter (dS) spacetime. The currents are induced by magnetic …
Finite temperature fermionic condensate and energy–momentum tensor in cosmic string spacetime
WO Santos, ERB de Mello - The European Physical Journal C, 2024 - Springer
Here we analyze the expectation value of the fermionic condensate and the energy–
momentum tensor associated with a massive charged fermionic quantum field with a …
momentum tensor associated with a massive charged fermionic quantum field with a …
Induced fermionic current by a magnetic tube in the cosmic string spacetime
In this paper, we consider a charged massive fermionic quantum field in the spacetime of an
idealized cosmic string, in the presence of a magnetic field confined in a cylindrical tube of …
idealized cosmic string, in the presence of a magnetic field confined in a cylindrical tube of …
Finite temperature fermionic charge and current densities induced by a cosmic string with magnetic flux
We investigate the finite temperature expectation values of the charge and current densities
for a massive fermionic field with nonzero chemical potential, μ, in the geometry of a straight …
for a massive fermionic field with nonzero chemical potential, μ, in the geometry of a straight …