The evolution speed of quantum measurement probabilities is bounded by their inherent quantum fluctuations, providing a correlation witness and a bound on transformation times to non-equilibrium states.
Deffner, Quantum speed limits and the maximal rate of information production, Phys
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Derives a quantum speed limit for the OTOC decay rate by mapping scrambling to open-system decoherence bounded by system-environment coupling strength and environmental correlation functions.
A quantum speed limit for observables is formulated from the trace-norm asymmetry of the time-dependent state, observable through weak measurements and bounding the quantum Fisher information for the conjugate parameter.
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Quantum speed limit for measurement probabilities
The evolution speed of quantum measurement probabilities is bounded by their inherent quantum fluctuations, providing a correlation witness and a bound on transformation times to non-equilibrium states.
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Quantum speed limit for the OTOC from an open systems perspective
Derives a quantum speed limit for the OTOC decay rate by mapping scrambling to open-system decoherence bounded by system-environment coupling strength and environmental correlation functions.
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Quantum speed limit for observables from quantum asymmetry
A quantum speed limit for observables is formulated from the trace-norm asymmetry of the time-dependent state, observable through weak measurements and bounding the quantum Fisher information for the conjugate parameter.