3 papers
hep-th2013
Massive Kaluza-Klein Gravity
D. C. N. Cunha, M. D. Maia
The non-Abelian Kaluza-Klein unification of gravitation with gauge fields theory is reformulated, with the inclusion of a massive spin-2 field defined by the extrinsic curvature. T…
gr-qc2005
Information Storage in Black Holes
M. D. Maia
The information loss paradox for Schwarzschild black holes is examined, using the ADS/CFT correspondence extended to the bulk. It is found that the only option compatib…
gr-qc1994
Geometrical Constraints on the Cosmological Constant
M. D. Maia, G. S. Silva
The cosmological constant problem is examined under the assumption that the extrinsic curvature of the space-time contributes to the vacuum. A compensation mechanism based on a var…