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math-ph2021★ 2 cited
Conserved charges for rational electromagnetic knots
Lukas Hantzko, Kaushlendra Kumar, Gabriel Picanço Costa
We revisit a newfound construction of rational electromagnetic knots based on the conformal correspondence between Minkowski space and a finite -cylinder. We present here a mo…
hep-th2021★ 5 cited
Instability of cosmic Yang-Mills fields
Kaushlendra Kumar, Olaf Lechtenfeld, Gabriel Picanço Costa
There exists a small family of analytic SO(4)-invariant but time-dependent SU(2) Yang-Mills solutions in any conformally flat four-dimensional spacetime. These might play a role in…