Teaching the Environment to Control Quantum Systems

Details Teaching the Environment to Control Quantum Systems Teaching the Environment to Control Quantum Systems

2006-09-12

arxiv.org/abs/quant-ph/0609097v1

Phys. Rev. A 73, 062102 (2006)

Physics

Quantum Physics

Scientific paper

10.1103/PhysRevA.73.062102

A non-equilibrium, generally time-dependent, environment whose form is deduced by optimal learning control is shown to provide a means for incoherent manipulation of quantum systems. Incoherent control by the environment (ICE) can serve to steer a system from an initial state to a target state, either mixed or in some cases pure, by exploiting dissipative dynamics. Implementing ICE with either incoherent radiation or a gas as the control is explicitly considered, and the environmental control is characterized by its distribution function. Simulated learning control experiments are performed with simple illustrations to find the shape of the optimal non-equilibrium distribution function that best affects the posed dynamical objectives.

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