65 citations · 460 across the 39 of their papers we have counts for
39 papers
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…
The End of the Road for Bulk Fields in Warped Randall-Sundrum Braneworlds
G. Alencar, R. S. Almeida, R. N. Costa Filho +2
In this manuscript we generalize Ref. [1] and derive a complete set of local consistency conditions for bulk fields in braneworld scenarios with an arbitrary number of dimensions.…
Energy levels and Aharonov-Bohm oscillations in twisted bilayer graphene quantum dots and rings
N. S. Bandeira, Andrey Chaves, L. V. de Castro +4
We present a systematic study of the energy levels of twisted bilayer graphene (tBLG) quantum dots (QD) and rings (QR) under an external perpendicular magnetic field. The confineme…
Constraints on Bulk Fields: No-Go Conjectures for Braneworld Models
G. Alencar, M. Gogberashvili, R. N. Costa Filho
This work establishes a series of no-go conjectures that impose rigorous constraints on the localization of bulk fields in braneworld scenarios, specifically affecting gauge and sp…
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…
Charged vacancy in graphene: interplay between Landau levels and atomic collapse resonances
Jing Wang, Wen-Sheng Zhao, Yue Hu +2
The interplay between a magnetic field and the Coulomb potential from a charged vacancy on the electron states in graphene is investigated within the tight-binding model. The Coulo…
Charged black string bounce and its field source
A. Lima, G. Alencar, R. N. Costa Filho +1
This work builds upon the previous article [1] and explores the solution of the charged black string introduced in [2]. The black bounce regularization method, based on the Simpson…
Black Strings in Asymptotically Safe Gravity
M. Nilton, G. Alencar, R. N. Costa Filho
In this paper, we study black strings in asymptotic safety gravity (ASG) scenario. The ASG approach is introduced by implementing gravitational and cosmological running coupling co…
Generalized Ellis-Bronnikov graphene wormhole
T. F. de Souza, A. C. A. Ramos, R. N. Costa Filho +1
In this paper, we investigate the spinless stationary Schrödinger equation for the electron when it is permanently bound to a generalized Ellis-Bronnikov graphene wormhole-like sur…
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…
Dependence of the Black-body Force on Spacetime Geometry and Topology
C. R. Muniz, G. Alencar, M. S. Cunha +2
In this paper we compute the corrections to the black-body force (BBF) potential due to spacetime geometry and topology. This recently discovered attractive force on neutral atoms…
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…
Some remarks on Relativistic Diffusion and the Spectral Dimension Criterion
C. R. Muniz, M. S. Cunha, R. N. Costa Filho +1
The spectral dimension for high energies is calculated using the Relativistic Schrödinger Equation Analytically Continued (RSEAC) instead of the so-called Telegraph's Equatio…
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…