Stochastic Dynamics of Continuously Observed Quantum Systems
作者： P. Staszewski
DOI: 10.1007/978-1-4899-1391-3_12
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摘要: The irreversible and stochastic behaviour of the continuously (in time) observed quantum system expressed by reduction wave function cannot be described within standard formulation mechanics. state a under continuous nondemolition observation evolves according to weakly-nonlinear filtering equation announced Belavkin in 1988. This differential Ito type can obtained from unitary evolution compound — “system plus measuring device” conditioning with respect trajectories. has been applied some significant physical problems. These include: resolution Zeno paradox for free particle, watchdog effects particle various cases diffusion measurement relaxation without mixing an atom counting observation.
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