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Probing Scrambling Using Statistical Correlations between Randomized Measurements
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DOI：10.1103/PhysRevX.9.021061.png)
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摘要
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We propose and analyze a protocol to study quantum information scrambling using statistical correlations between measurements, which arc performed after evolving a quantum system from randomized initial states. We prove that the resulting correlations precisely capture the so-called out-of-time-ordered correlators and can be used to probe chaos in strongly interacting, many-body systems. Our protocol requires neither reversing time evolution nor auxiliary degrees of freedom, and it can be realized in state-of-the-art quantum simulation experiments.
Keyword:
QUANTUM SIMULATIONS
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2.7K
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