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Journal Article

New dual gravitational charges

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

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1812.01641.pdf
(Preprint), 194KB

PRD.99.024013.pdf
(Publisher version), 142KB

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Citation

Godazgar, H., Godazgar, M., & Pope, C. N. (2019). New dual gravitational charges. Physical Review D, 99(2): 024013. doi:10.1103/PhysRevD.99.024013.


Cite as: https://hdl.handle.net/21.11116/0000-0002-B973-C
Abstract
We show that there are a further infinite number of, previously unknown,
supertranslation charges. These can be viewed as duals of the known BMS charges
corresponding to supertranslations. In Newman-Penrose language, these new
supertranslation charges roughly correspond to the imaginary part of the
leading term in $\psi_2$. We find these charges by dualising the Barnich-Brandt
asymptotic charges and argue that this prescription gives rise to new bona fide
charges at null infinity.