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quant-ph2025
Path integrals for classical-quantum dynamics
Jonathan Oppenheim, Zachary Weller-Davies
Consistent dynamics which couples classical and quantum degrees of freedom exists. This dynamics is linear in the hybrid state, completely positive and trace preserving. Starting f…
quant-ph2024
A healthier semi-classical dynamics
Isaac Layton, Jonathan Oppenheim, Zachary Weller-Davies
We study the back-reaction of quantum systems onto classical ones. Taking the starting point that semi-classical physics should be described at all times by a point in classical ph…