Mathematics – Logic
Scientific paper
Jan 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jmp....30...87d&link_type=abstract
Journal of Mathematical Physics, Vol. 30, No. 1, p. 87 - 89
Mathematics
Logic
12
Cosmology: De Sitter Universe, Cosmological Constant
Scientific paper
In this paper a kink solution to the vacuum Einstein equations with cosmological constant Λ>0 is discussed. The solution is well-defined on the whole space-time manifold. An appropriate coordinate transformation shows the solution to be locally the same as the de Sitter solution. Globally, the two are distinct, since the light-cone field for the kink solution is homotopically nontrivial.
Dunn K. A.
Williams James G.
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