119 citations
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quant-ph2022★ 14 cited
Validating quantum-supremacy experiments with exact and fast tensor network contraction
Yong Liu, Yaojian Chen, Chu Guo +11
The quantum supremacy experiment, such as Google Sycamore [Nature \textbf{574}, 505 (2019)], poses great challenge for classical verification due to the exponentially-increasing co…
quant-ph2021★ 119 cited
Closing the "Quantum Supremacy" Gap: Achieving Real-Time Simulation of a Random Quantum Circuit Using a New Sunway Supercomputer
Yong, Liu, Xin +13
We develop a high-performance tensor-based simulator for random quantum circuits(RQCs) on the new Sunway supercomputer. Our major innovations include: (1) a near-optimal slicing sc…
quant-ph2019★ 30 cited
Quantum Teleportation-Inspired Algorithm for Sampling Large Random Quantum Circuits
Ming-Cheng Chen, Riling Li, Lin Gan +4
We show that low-depth random quantum circuits can be efficiently simulated by a quantum teleportation-inspired algorithm. By using logical qubits to redirect and teleport the quan…