# Quantum Brownian motion as an iterated entanglement-breaking measurement by the environment

@article{Riedel2016QuantumBM, title={Quantum Brownian motion as an iterated entanglement-breaking measurement by the environment}, author={C. Jess Riedel}, journal={Physical Review A}, year={2016}, volume={93} }

Einstein-Smoluchowski diffusion, damped harmonic oscillations, and spatial decoherence are special cases of an elegant class of Markovian quantum Brownian motion models that is invariant under linear symplectic transformations. Here we prove that for each member of this class there is a preferred timescale such that the dynamics, considered stroboscopically, can be rewritten exactly as unitary evolution interrupted periodically by an entanglement-breaking measurement with respect to a fixed… CONTINUE READING

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