Taub–NUT space
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The Taub–NUT space (/tɑːb nʌt/[1] or /tɑːb ɛnjuːˈtiː/) is an exact solution to Einstein's equations, a model universe formulated in the framework of general relativity.
The Taub–NUT metric was found by Abraham Haskel Taub (1951), and extended to a larger manifold by E. Newman, L. Tamburino, and T. Unti (1963), whose initials form the "NUT" of "Taub–NUT".
Taub's solution is an empty space solution of Einstein's equations with topology R×S3 and metric
where
and m and l are positive constants.
Taub's metric has coordinate singularities at U=0, t=m+(m2+l2)1/2, and Newman, Tamburino and Unti showed how to extend the metric across these surfaces.
References
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- ↑ McGraw-Hill Science & Technology Dictionary: "Taub NUT space"