―125―Networks with long-range degree correlations □□□□□□□□□□□□□ / □□□□□□□□ □□□ Measurement problems: quantum resource, noncausual, and no-go □□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□Le Bin Ho (Creative Interdisciplinary Research Division / Information and Systems) I explore the measurement challenges within quantum mechanics. Therein, I quantify resources like entanglement, squeezing, and graph states to enhance measurement precision [1,2]. Additionally, I investigate the non-causality phenomenon in sequential measurements, where future measurements influence past observations [3]. I also explore no-go measurement results, where postselection fail to produce expected outcomes [4]. There works delve into the complexities of quantum phenomena, offering insights with implications for both fundamental understanding and technological applications. References [1] Trung Kien Le, Hung Q. Nguyen, Le Bin Ho, Variational quantum metrology for multiparameter estimation under dephasing noise, Scientific Reports 13, 17775 (2023). [2] Le Bin Ho, A stochastic evaluation of quantum Fisher information matrix with generic Hamiltonians, EPJ Quantum Technology 10, 1-17 (2023). [3] Le Bin Ho, Quantum backaction effects in sequential measurements, Ann. Phys. 45, 169310 (2023). [4] Le Bin Ho, No-go result for quantum postselection measurements of a rank-m degenerate subspace, Physical Review A 107, 042204 (2023).□□
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