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Einstein-Cartan gravity excludes extra dimensions
Riemann-Cartan weak/Planck hierarchy gravity
2010/3/19
We show that the electron in the Riemann-Cartan spacetime with extra dimensions has a finite size that is much larger than the experimental upper limit on its radius. Thus the Arkani-Hamed-Dimopoulos-...
Large Extra Dimensions and Small Black Holes at the LHC
Black Holes Dimensions mass-scale M
2010/3/19
We present an overview on the conjectured production of microscopic black holes as a consequence of high energy hadronic collisions at the LHC, CERN (Geneva, Switzerland) from this year on. Provided t...
Need of Dark Energy for Dynamical Compactification of Extra Dimensions on the Brane
Dark Energy Dynamical Compactification the Brane
2010/10/18
We consider a six-dimensional braneworld model and we study the cosmological evolution of a (4+1) braneuniverse. Introducing matter on the brane we show that the scale factor of the physical three-dim...