06.10.+d Dynamics of the measurement process
Nonclassicality of Temporal Correlations
Tue, 2016-05-10 11:58 - Michal JachuraPhys. Rev. Lett. 115, 120404 (2015) http://arxiv.org/abs/1501.03505
The results of spacelike separated measurements are independent of distant measurement settings, a property one might call two-way no-signaling. In contrast, timelike separated measurements are only one-way no-signaling since the past is independent of the future but not vice versa. For this reason some temporal correlations that are formally identical to nonclassical spatial correlations can still be modeled classically.
Hidden Markov model of atomic quantum jump dynamics in an optically probed cavity
Wed, 2014-01-08 15:48 - Wolfgang AltPhys. Rev. A 89, 043839 (2014)
We analyze the quantum jumps of an atom interacting with a cavity field, where strong coupling makes the cavity transmission depend on the time-dependent atomic state. In our analysis we employ a Bayesian approach that conditions the population of the atomic states at time t on the cavity transmission observed both before and after t , and we show that the state assignment by this approach is more decisive than the usual conditional quantum states based on only earlier measurement data.
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