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Gauging generalised symmetries in linear gravity
Chris Hull, Maxwell L Hutt, Ulf Lindström
The theory of a free spin-2 field on Minkowski spacetime has 1-form and -form symmetries associated with conserved currents formed by contractions of the linearised Riemann…
Generalised symmetries in linear gravity
Chris Hull, Maxwell L Hutt, Ulf Lindström
Linearised gravity has a global symmetry under which the graviton is shifted by a symmetric tensor satisfying a certain flatness condition. There is also a dual symmetry that can b…
Gauge-invariant magnetic charges in linearised gravity
Chris Hull, Maxwell L. Hutt, Ulf Lindström
Linearised gravity has magnetic charges carried by (linearised) Kaluza-Klein monopoles. A gauge-invariant expression is found for these charges that is similar to Penrose's gauge-i…
Charges and topology in linearised gravity
Chris Hull, Maxwell L. Hutt, Ulf Lindström
Covariant conserved 2-form currents for linearised gravity are constructed by contracting the linearised curvature with conformal Killing-Yano tensors. The corresponding conserved…