23 citations · 91 across the 11 of their papers we have counts for
3 papers · 1 filter
Indefinite causal order and quantum coordinates
Anne-Catherine de la Hamette, Viktoria Kabel, Marios Christodoulou +1
Classically the causal order of two timelike separated events A and B is fixed -- either A before B or B before A. This is no longer true in quantum theory, where it is possible to…
Quantum conformal symmetries for spacetimes in superposition
Viktoria Kabel, Anne-Catherine de la Hamette, Esteban Castro-Ruiz +1
Without a complete theory of quantum gravity, the question of how quantum fields and quantum particles behave in a superposition of spacetimes seems beyond the reach of theoretical…
Metriplectic geometry for gravitational subsystems
Viktoria Kabel, Wolfgang Wieland
In general relativity, it is difficult to localise observables such as energy, angular momentum, or centre of mass in a bounded region. The difficulty is that there is dissipation.…