Control of decoherence with no control
Jun Jing, Lian-Ao Wu
TL;DR
This paper predicts a novel quantum phenomenon where increasing disorder through white noise can suppress decoherence, challenging traditional control strategies in quantum mechanics.
Contribution
It introduces the counterintuitive idea that more disordered noise can be used to control and suppress quantum decoherence, offering a new approach in quantum control.
Findings
White Poissonian noise can suppress quantum decoherence
Decoherence suppression is achievable with increased disorder
The phenomenon is a new anomaly in quantum mechanics
Abstract
Common philosophy in control theory is the control of disorder by order. It is not exceptional for strategies suppressing quantum decoherence. Here we predict an anomalous quantum phenomenon. Suppression of decoherence can be made via more disordered white noise field, in particular white Poissonian noise. The phenomenon seems to be another anomaly in quantum mechanics, and may offer a new strategy in quantum control practices.
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Taxonomy
TopicsQuantum Mechanics and Applications · Quantum Information and Cryptography · Advanced Thermodynamics and Statistical Mechanics