Partial projected ensembles from Haar-random states and scrambling circuits exhibit two information phases in Holevo information: exponential decay versus linear growth with system size, separated by sharp transitions and revealing a measurement-invisible quantum-correlated phase.
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Continuous temporal processing in open quantum reservoirs is shown to obey a generalized Landauer bound, with predictive performance tied to resonant energy-gap matching and to quantum coherence.
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Information phases of partial projected ensembles generated from random quantum states and scrambling dynamics
Partial projected ensembles from Haar-random states and scrambling circuits exhibit two information phases in Holevo information: exponential decay versus linear growth with system size, separated by sharp transitions and revealing a measurement-invisible quantum-correlated phase.
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Thermodynamics of Quantum Reservoir Computing
Continuous temporal processing in open quantum reservoirs is shown to obey a generalized Landauer bound, with predictive performance tied to resonant energy-gap matching and to quantum coherence.