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11 papers · 1 filter
Traversable Casimir Wormholes in D Dimensions
P. H. F. Oliveira, G. Alencar, I. C. Jardim +1
Wormholes (WH) require negative energy, and therefore an exotic matter source. Since Casimir energy is negative, it has been speculated as a good candidate to source that objects a…
Bose-Einstein condensation in Hořava-Lifshitz theory
J. Furtado, J. F. Assunção, A. C. A. Ramos
In this paper we study the corrections emergent from a Hořava-Lifshitz extension of the complex scalar sector to the Bose-Einstein condensation and to the thermodynamics parameters…
Nonanalyticity of the nonabelian five-dimensional Chern-Simons term
J. F. Assunção, J. Furtado, T. Mariz
In this work, we study the behavior of the nonabelian five-dimensional Chern-Simons term at finite temperature regime in order to verify the possible nonanalyticity. We employ two…
Effects of Lorentz violation in the Bose-Einstein condensation
J. Furtado, A. C. A. Ramos, J. F. Assunção
In this paper we study the corrections emergent from a Lorentz-violating CPT-odd extension of the complex scalar sector to the Bose-Einstein condensation and to the thermodynamics…
forms non-minimally coupled to gravity in Randall-Sundrum scenarios
G. Alencar, I. C. Jardim, R. R. Landim
In this paper we study the coupling of -form fields with geometrical tensor fields, namely Ricci, Einstein, Horndeski and Riemann in Randall-Sundrum scenarios with co-dimension…
Accelerating universes driven by bulk particles
F. A. Brito, F. F. Cruz, J. F. N. Oliveira
We consider our universe as a 3d domain wall embedded in a 5d dimensional Minkowski space-time. We address the problem of inflation and late time acceleration driven by bulk partic…