201 citations · 2.2k across the 98 of their papers we have counts for
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gr-qc2006★ 2 cited
On a time-dependent extra spatial dimension
Peter K. F. Kuhfittig
In the usual brane-world scenario matter fields are confined to the four-dimensional spacetime, called a 3-brane, embedded in a higher-dimensional space, usually referred to as the…
gr-qc2006★ 61 cited
Seeking exactly solvable models of traversable wormholes supported by phantom energy
Peter K. F. Kuhfittig
The purpose of this paper is to obtain exact solutions of the Einstein field equations describing traversable wormholes supported by phantom energy. Their relationship to exact sol…