Taub–NUT space

The Taub–NUT space (/tɑːb nʌt/[1] or /tɑːb ɛnjuːˈt/) 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 , and Newman, Tamburino and Unti showed how to extend the metric across these surfaces.

References

  1. McGraw-Hill Science & Technology Dictionary: "Taub NUT space"
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