227 citations · 7.4k across the 275 of their papers we have counts for
7 papers · 1 filter
Solitons in systems of coupled scalar fields
D. Bazeia, M. J. dos Santos, R. F. Ribeiro
We present a method to obtain soliton solutions to relativistic system of coupled scalar fields. This is done by examining the energy associated to static field configurations. In…
Confinement from new global defect structures
D. Bazeia, F. A. Brito, W. Freire +1
We investigate confinement from new global defect structures in three spatial dimensions. The global defects arise in models described by a single real scalar field, governed by sp…
New soluble nonlinear models for scalar fields
C. A. Almeida, D. Bazeia, L. Losano +1
We extend a deformation prescription recently introduced and present some new soluble nonlinear problems for kinks and lumps. In particular, we show how to generate models which pr…
Brane Structure from a Scalar Field in Warped Spacetime
D. Bazeia, C. Furtado, A. R. Gomes
We deal with scalar field coupled to gravity in five dimensions in warped geometry. We investigate models described by potentials that drive the system to support thick brane solut…
Supergravity brane worlds and tachyon potentials
D. Bazeia, F. A. Brito, J. R. Nascimento
We study massless and massive graviton modes that bind on thick branes which are supergravity domain walls solutions in -dimensional supergravity theories where only the supergr…
New Global Defect Structures
D. Bazeia, J. Menezes, R. Menezes
We investigate the presence of defects in systems described by real scalar field in (D,1) spacetime dimensions. We show that when the potential assumes specific form, there are mod…
Lorentz and CPT symmetries in commutative and noncommutative spacetime
D. Bazeia, T. Mariz, J. R. Nascimento +2
We investigate the fermionic sector of a given theory, in which massive and charged Dirac fermions interact with an Abelian gauge field, including a non standard contribution that…