A mass source in quantum superposition produces multiple Einstein rings in a quantized Newtonian gravity model but a single ring in the Schrodinger-Newton model, with a new 'which-path' indicator vanishing in the latter.
Notes on Quantum Field Theory in Curved Spacetime: Problems Relating to the Concept of Particles and Hamiltonian Formalism
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abstract
The aim of these notes is to elucidate some aspects of quantum field theory in curved spacetime, especially those relating to the notion of particles. A selection of issues relevant to wave-particle duality is given. The case of a generic curved spacetime is outlined. A Hamiltonian formulation of quantum field theory in curved spacetime is elaborated for a preferred reference frame with a separated space metric (a static spacetime and a reductive synchronous reference frame). Applications: (1) Black hole. (2) The universe; the cosmological redshift is obtained in the context of quantum field theory.
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gr-qc 1years
2024 1verdicts
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Gravitational entanglement witness through Einstein ring image
A mass source in quantum superposition produces multiple Einstein rings in a quantized Newtonian gravity model but a single ring in the Schrodinger-Newton model, with a new 'which-path' indicator vanishing in the latter.