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quant-ph2023
Motivating semiclassical gravity: a classical-quantum approximation for bipartite quantum systems
Viqar Husain, Irfan Javed, Sanjeev S. Seahra +1
We derive a "classical-quantum" approximation scheme for a broad class of bipartite quantum systems from fully quantum dynamics. In this approximation, one subsystem evolves via cl…
quant-ph2022
Dynamics and entanglement in quantum and quantum-classical systems: lessons for gravity
Viqar Husain, Irfan Javed, Suprit Singh
Motivated by quantum gravity, semi-classical theory, and quantum theory on curved spacetimes, we study the system of an oscillator coupled to two spin-1/2 particles. This model pro…