In a PT-symmetric pair of coupled oscillators, Gaussian discord persists stationarily above a loss threshold and is stable in the broken phase for equal gain/loss rates.
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Moderate entanglement in a system of coupled Kerr oscillators is associated with optimal performance in quantum reservoir computing for linear and nonlinear time-series forecasting.
Redefines quantum states as equivalence classes of density operators to show the contradiction between unitary Schrödinger dynamics and outcome reduction becomes negligible in a suitable limit, unifying with decoherence and von Neumann entropy ideas.
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Stationary quantum correlations in a system with mean-field PT symmetry
In a PT-symmetric pair of coupled oscillators, Gaussian discord persists stationarily above a loss threshold and is stable in the broken phase for equal gain/loss rates.
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The Role of Entanglement in Quantum Reservoir Computing with Coupled Kerr Nonlinear Oscillators
Moderate entanglement in a system of coupled Kerr oscillators is associated with optimal performance in quantum reservoir computing for linear and nonlinear time-series forecasting.
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Emergence of outcomes in quantum mechanics
Redefines quantum states as equivalence classes of density operators to show the contradiction between unitary Schrödinger dynamics and outcome reduction becomes negligible in a suitable limit, unifying with decoherence and von Neumann entropy ideas.