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quant-ph2026
Bypassing no-go theorems on mixed classical-quantum systems: the (counter)example of hybrid van Hove theory
Marcel Reginatto, Andrés Darío Bermúdez Manjarres, Sebastian Ulbricht
Motivated by models of mixed quantum-classical hybrid theories, we consider the representation of classical observables as Hilbert-space operators based on van Hove's unitary repre…
quant-ph2026
Entanglement of quantum systems via a classical mediator in hybrid van Hove theory
Sebastian Ulbricht, Andrés Darío Bermúdez Manjarres, Marcel Reginatto
It is a matter of ongoing discussion whether quantum states can become entangled while only interacting via a classical mediator. This lively debate is deeply interwoven with the q…