Home > Publications database > Gravitational Redshift Induces Quantum Interference |
Journal Article | FZJ-2022-05954 |
;
2023
Barth
Leipzig
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Please use a persistent id in citations: http://hdl.handle.net/2128/33627 doi:10.1002/andp.202200468
Abstract: Quantum field theory in curved spacetime is used to show that gravitational redshift induces a unitary transformation on the quantum state of propagating photons. It is found that the transformation is a mode-mixing operation, and a protocol that exploits gravity to induce a Hong–Ou–Mandel-like interference effect on the state of two photons is devised. It is discussed how the results of this work can provide a demonstration of quantum field theory in curved spacetime.
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