Taub-NUT from the Dirac monopole

Godazgar, Hadi; Godazgar, Mahdi; Pope, C. N.

doi:10.1016/j.physletb.2019.134938

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Taub-NUT from the Dirac monopole

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Godazgar, Hadi
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Citation

Godazgar, H., Godazgar, M., & Pope, C. N. (2019). Taub-NUT from the Dirac monopole. Physics Letters B, 798: 134938. doi:10.1016/j.physletb.2019.134938.

Cite as: https://hdl.handle.net/21.11116/0000-0004-900C-C

Abstract

Writing the metric of an asymptotically flat spacetime in Bondi coordinates
provides an elegant way of formulating the Einstein equation as a
characteristic value problem. In this setting, we find that a specific class of
asymptotically flat spacetimes, including stationary solutions, contains a
Maxwell gauge field as free data. Choosing this gauge field to correspond to
the Dirac monopole, we derive the Taub-NUT solution in Bondi coordinates.