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- W4297847248 abstract "In this thesis, we aim to find the asymptotic symmetries of the Kalb-Ramond field in four dimensions at future null infinity. We start by reviewing the asymptotic symmetries of electrodynamics in four-dimensional Minkowski spacetime at future null infinity. We continue by investigating the asymptotic symmetries of the Kalb-Ramond field at future null infinity. We motivate the fall-off conditions by demanding the finiteness of energy, momentum, angular momentum and charge flux through future null infinity. We expand the gauge fields in ``radial and Lorenz gauge and compute the generating charges. Using the duality between the Kalb-Ramond theory and the scalar field in two dimensions, we again derive the fields' fall-off conditions and compare them to the ones obtained above. Our findings can be summarized as follows: The different gauges yield two similar generating charges, however, the charge obtained in the ``radial gauge vanishes at infinity. This result might indicate that the fall-off conditions are too strict in this gauge. We observe consistency in the asymptotic behaviours of Kalb-Ramond and scalar field theories. Even after we expanded both fields asymptotically, the fall-off conditions for the Kalb-Ramond field obtained by duality considerations are compatible with those derived from the finiteness conditions above. This might also allow us to address the question asked in cite{Campiglia2018} about which are the missing asymptotic symmetries generated by the soft charges of scalar fields." @default.
- W4297847248 created "2022-10-01" @default.
- W4297847248 creator A5034584147 @default.
- W4297847248 date "2022-09-15" @default.
- W4297847248 modified "2023-10-16" @default.
- W4297847248 title "Asymptotic Symmetries in Electrodynamics and Kalb-Ramond Theory" @default.
- W4297847248 doi "https://doi.org/10.48550/arxiv.2209.07134" @default.
- W4297847248 hasPublicationYear "2022" @default.
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