Stabilizing Entangled States with Quasi-Local Quantum Dynamical Semigroups

Details Stabilizing Entangled States with Quasi-Local Quantum Dynamical Semigroups Stabilizing Entangled States with Quasi-Local Quantum Dynamical Semigroups

2011-12-20

arxiv.org/abs/1112.4860v1

Physics

Quantum Physics

11 pages, no figures

Scientific paper

We provide a solution to the problem of determining whether a target pure state can be asymptotically prepared using dissipative Markovian dynamics under fixed locality constraints. Beside recovering existing results for a large class of physically relevant entangled states, our approach has the advantage of providing an explicit stabilization test solely based on the input state and constraints of the problem. Connections with the formalism of frustration-free parent Hamiltonians are discussed, as well as control implementations in terms of a switching output-feedback law.

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