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quant-ph2026
When Classical Correlations Certify Entanglement Recovery
Takeru Utsumi, Yota Tachibana, Yoshifumi Nakata +4
Entanglement and state distinguishability have long been central topics in quantum foundations. While each has developed into a rich subject in its own right, they can be connected…
quant-ph2026
Towards Optimal Quantum Estimators for State Frame Potential
Jinge Bao, Wang Fang, Yoshifumi Nakata +1
The state frame potential is a standard diagnostic of how closely a quantum state ensemble approximates Haar randomness. In this work, we study the problem of estimating the state…