70 citations · 613 across the 30 of their papers we have counts for
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gr-qc2020★ 32 cited
Null infinity as an open Hamiltonian system
Wolfgang Wieland
When a system emits gravitational radiation, the Bondi mass decreases. If the Bondi energy is Hamiltonian, it can thus only be a time dependent Hamiltonian. In this paper, we show…
gr-qc2020★ 6 cited
Twistor representation of Jackiw-Teitelboim gravity
Wolfgang Wieland
Jackiw-Teitelboim (JT) gravity is a 1+1-dimensional toy model for quantum gravity in four spacetime dimensions. In the absence of matter, JT gravity is a topological field theory a…