65 citations · 460 across the 39 of their papers we have counts for
25 papers · 1 filter
Dynamical Schwinger Production of Dipole--Antidipole Pairs in a Fractonic Lattice
Celio R. Muniz, R. N. Costa Filho
We investigate field-induced excitation production from the unit-filled Mott background of a one-dimensional dipole-conserving Bose--Hubbard chain driven by a periodic quadratic po…
A New Braneworld with Conformal Symmetry Breaking
G. Alencar, I. C. Jardim, R. I. de Oliveira Junior +2
We explore the conformal 5D braneworld, where warping emerges through conformal symmetry breaking. Our scenario seamlessly aligns with conventional brane approaches if conformal sy…
Universal Mass Scale for Bosonic Fields in Multi-Brane Worlds
R. I. de Oliveira Junior, G. Alencar, R. R. Landim +1
In this paper we find an universal mass scale for all forms in multi-brane worlds model. It is a known fact the this model provides an ultralight mode for the fields. However,…
Universal Mass Scale for Bosonic Fields in Multi-Brane Worlds
R. I. de Oliveira Junior, G. Alencar
In this paper we find an universal mass scale for all forms in multi-brane worlds model. It is known that this model provides an ultralight mode for the fields. However, to ge…
Photon mass as a probe to extra dimensions
G. Alencar, C. R. Muniz, R. R. Landim +2
In this manuscript we show that the geometrical localization mechanism implies a four dimensional mass for the photon. The consistence of the model provides a mass given exactly by…
Generalized non-minimal couplings in Randall-Sundrum scenarios
G. Alencar, I. C. Jardim, R. R. Landim +2
The Geometrical Localization mechanism in Randall-sundrum (RS) scenarios is extended by considering the coupling between a quadratic mass term and geometrical tensors. Since the qu…
Does Geometric Coupling Generates Resonances?
I. C. Jardim, G. Alencar, R. R. Landim +1
Geometrical coupling in a co-dimensional one Randall-Sundrum scenario (RS) is used to study resonances of form fields. The resonances are calculated using the transfer matrix m…
Analytical solutions for fermions on a thick brane with a piecewise and smooth warp factor
R. R. Landim, M. O. Tahim, G. Alencar +1
In this paper we study analytical solutions for fermion localization in Randall-Sundrum (RS) models. We show that there exist special couplings between scalar fields and fermions g…
Non-minimal couplings in Randall-Sundrum Scenarios
G. Alencar, R. R. Landim, C. R. Muniz +1
In this paper we propose a new way of obtaining four dimensional gauge invariant gauge field from a bulk action. The results are valid for both Randall-Sundrum scenarios and…
Solutions to the problem of ELKO spinor localization in brane models
I. C. Jardim, G. Alencar, R. R. Landim +1
In this paper we present two different solutions to the problem of zero mode localization of ELKO spinor. In a recent paper the present authors reopened this problem since the solu…
Comment on "Localization of 5D Elko Spinors on Minkowski Branes"
I. C. Jardim, G. Alencar, R. R. Landim +1
We show that the statement in Yu-Xiao Liu, Xiang-Nan Zhou, Ke Yang and Feng-Wei Chen [Phys. Rev. D 86 , 064012 (2012)] that the zero mode of ELKO spinor is localized in some thin b…
Gauge Field Localization on the Brane Through Geometrical Coupling
G. Alencar, R. R. Landim, M. O. Tahim +1
In this paper we consider a geometrical Yukawa coupling as a solution to the problem of gauge field localization. We show that upon dimensional reduction the vector field component…
Massive -form trapping as a -form on a brane
I. C. Jardim, G. Alencar, R. R. Landim +1
It is shown here that the zero mode of any form field can be trapped to the brane using the model proposed by Ghoroku and Nakamura. We start proven that the equations of motion can…
Gauge Field Emergence from Kalb-Ramond Localization
G. Alencar, R. R. Landim, M. O. Tahim +1
A new mechanism, valid for any smooth version of the Randall-Sundrum model, of getting localized massless vector field on the brane is described here. This is obtained by dimension…
New Analytical Solutions for Bosonic Field Trapping in Thick Branes
R. R. Landim, G. Alencar, M. O. Tahim +1
New analytical solutions for gravity, scalar and vector field localization in Randall-Sundrum(RS) models are found. A smooth version of the warp factor with an associated function…
Bosonic Fields in Crystal Manyfolds
G. Alencar, R. R. Landim, M. O. Tahim +1
A chain-like or a 1D crystal-like universe made of intersecting membranes in extra dimensions in a Randall-Sundrum scenario is studied. A background gravitational metric satisfying…
A Transfer Matrix Method for Resonances in Randall-Sundrum Models II: The Deformed Case
R. R. Landim, G. Alencar, M. O. Tahim +1
Here we consider resonances of the Gauge, Gravity and Spinor fields in Randall-Sundrum-like scenarios. We consider membranes that are generated by a class of topological defects th…
Quantum Scalar Field in D-dimensional de Sitter Spacetimes
G. Alencar, I. Guedes, R. R. Landim +1
In this work we investigate the quantum theory of scalar fields propagating in a dimensional de Sitter spacetime. The method of dynamic invariants is used to obtain the solutio…
An Exact Solution to the Quantized Electromagnetic Field in D-dimensional de Sitter Spacetimes
G. Alencar, I. Guedes, R. R. Landim +1
In this work we investigate the quantum theory of light propagating in dimensional de Sitter spacetimes. To do so, we use the method of dynamic invariants to obtain the solutio…
A Transfer Matrix Method for Resonances in Randall-Sundrum Models
R. R. Landim, G. Alencar, M. O. Tahim +1
In this paper we discuss in detail a numerical method to study resonances in membranes generated by domain walls in Randall-Sundrum-like scenarios. It is based on similar works to…
RNS and Pure Spinors Equivalence for Type I Tree Level Amplitudes Involving up to Four Fermions
G. Alencar, M. O. Tahim, R. R. Landim +1
In this paper we give a proof of the equivalence between the RNS and Pure Spinor formalism for Type I tree level amplitudes involving up to four fermions. This result have been obt…
Dual Spaces of Resonance In Thick Branes
R. R. Landim, G. Alencar, M. O. Tahim +2
In this work we consider form fields in a brane embedded in a space-time. The membrane is generated by a domain wall in a Randall-Sundrum-like scenario. We study…
Antisymmetric Tensor Fields in Codimension Two Brane-World
G. Alencar, R. R. Landim, M. O. Tahim +2
In this work we consider the issue of localization of antisymmetric tensor fields of arbitrary rank in a D dimensional Space-time with a codimension two. A string-like defect is us…
Antisymmetric Tensor Fields in Randall Sundrum Thick Branes
G. Alencar, R. R. Landim, M. O. Tahim +2
In this article we study the issue of localization of the three-form field in a Randall-Sundrum-like scenario. We simulate our membrane by kinks embedded in D=5, describing the usu…