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quant-ph2026
Operator-language Feynman rules for driven-dissipative quantum systems: from mean field to non-Gaussian photon correlations
Peter Ehlers, Phi Hung Nguyen, Daniel Soh
We construct Feynman rules for Lindblad master equations in the operator language of quantum optics: a fixed algebra of elementary operator moves and closed-form propagators for pe…
quant-ph2026
A Single Atom in Front of a Mirror is a Universal Reservoir Computer
Peter J. Ehlers, Phi Hung Nguyen, Kanu Sinha +4
Universal approximation in reservoir computing is typically associated with a class of reservoirs. We show that universality can be associated with a single reservoir, considering…