361 citations
- Okanagan University CollegeCA13 papers
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4 papers · 1 filter
Anisotropic Born-Infeld Cosmologies
Dan N. Vollick
Anisotropic cosmological spacetimes are constructed from spherically symmetric solutions to Einstein's equations coupled to nonlinear electrodynamics and a positive cosmological co…
Spherically Symmetric Solutions and Dark Matter on the Brane
Dan N. Vollick
It has recently been suggested that our universe is a three-brane embedded in a higher dimensional spacetime. In this paper I examine static, spherically symmetric solutions that s…
Negative Energies on the Brane
Dan N. Vollick
It has recently been proposed that our universe is a three-brane embedded in a higher dimensional spacetime. Here I show that black holes on the brane, black strings intersecting t…
Cosmology on a Three-Brane
Dan N. Vollick
In this paper a general solution is found for a five dimensional orbifold spacetime that induces a cosmology on a three-brane. Expressions for the energy density and pressure…