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An exponential quantum projection filter for open quantum systems

Gao, Qing; Zhang, Guofeng; Petersen, Ian


An approximate exponential quantum projection filtering scheme is developed for a class of open quantum systems described by Hudson–Parthasarathy quantum stochastic differential equations, aiming to reduce the computational burden associated with online calculation of the quantum filter. By using a differential geometric approach, the quantum trajectory is constrained in a finite-dimensional differentiable manifold consisting of an unnormalized exponential family of quantum density operators,...[Show more]

CollectionsANU Research Publications
Date published: 2018-10-31
Type: Journal article
Source: Automatica
DOI: 10.1016/j.automatica.2018.10.014
Access Rights: Open Access after embargo


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