5 papers · 1 filter
Singularity-Rank Signatures in Generalized Dirac Oscillators near a BTZ Horizon
João V. R. Alencar, Allan R. P. Moreira, João B. R. Silva +1
We study singular generalized Dirac-oscillator couplings in the near-horizon region of a nonextremal BTZ black hole. An effective covariant construction adapted to the stationary h…
Tensor resonances in teleparallel Gauss-Bonnet branes
J. V. R. Alencar, A. R. P. Moreira, F. C. E. Lima +1
We construct an analytical thick-brane solution in linear teleparallel Gauss-Bonnet gravity using a first-order formalism generated by a sine-Gordon superpotential. The resulting a…
New mechanism for fermion localization in -brane
Allan R. P. Moreira, Fernando M. Belchior, Guo-Hua Sun +1
We investigate the localization of fermionic fields in a five-dimensional braneworld scenario within the framework of modified teleparallel gravity described by a general $f(T,T_G)…
Thick branes and fermion localization in five-dimensional gravity
A. R. P. Moreira, F. M. Belchior, Shi-Hai Dong +1
We investigate thick-brane configurations in five-dimensional modified teleparallel gravity. In five dimensions, the torsional Gauss-Bonnet invariant contributes d…
Topological and self-dual vortices in a double sigma model with Maxwell coupling
Francisco C. E. Lima, Fernando M. Belchior, Allan R. P. Moreira
In this work, we construct a double O(3)-sigma model minimally coupled to a Maxwell field in (2+1)-dimensional spacetime and investigate the existence of self-dual magnetic vortex…