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insight - Quantum Pseudorandomness
Pseudorandom Unitaries: Limits and Insights
Pseudorandom unitaries require imaginarity, establishing fundamental limits on property testing and quantum pseudorandomness.
Constructing and Separating Quantum Pseudorandomness from a Single Haar Random State
A single Haar random quantum state can be used to construct single-copy pseudorandom states (1PRS), which are computationally indistinguishable from a Haar random state for a single copy. However, this single Haar random state is not sufficient to construct the stronger notion of (multi-copy) pseudorandom states (PRS).
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