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quant-ph2025
Practical Homodyne Shadow Estimation
Ruyu Yang, Xiaoming Sun, Hongyi Zhou
Shadow estimation provides an efficient framework for estimating observable expectation values using randomized measurements. While originally developed for discrete-variable syste…
quant-ph2024
Expressibility of linear combination of ansatz circuits
Peng Wang, Ruyu Yang
Variational Quantum Eigensolver is considered promising for medium-scale noisy quantum computers. Expressibility is an important metric for measuring the capability of a variationa…