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econ.TH2021
Noise, fake news, and tenacious Bayesians
Dorje C. Brody
A modelling framework, based on the theory of signal processing, for characterising the dynamics of systems driven by the unravelling of information is outlined, and is applied to…
quant-ph2021
PT symmetry and the evolution speed in open quantum systems
Dorje C. Brody
The dynamics of an open quantum system with balanced gain and loss is not described by a PT-symmetric Hamiltonian but rather by Lindblad operators. Nevertheless the phenomenon of P…