Doubling the Size of Quantum Simulators by Entanglement Forging

作者：Andrew Eddins, Mário Motta, Tanvi P. Gujarati, Sergey Bravyi, Antonio Mezzacapo, Charles Hadfield, Sarah Sheldon · 发表于：PRX Quantum · 年份：2022 · DOI：10.1103/prxquantum.3.010309 · 被引用次数：170 · 研究领域：Quantum Computing Algorithms and Architecture、Quantum many-body systems、Quantum Information and Cryptography

A method of classically forged entanglement is used to simulate a 2N-qubit system with only N qubits, which is illustrated on the case of 5 qubits simulating 10 spin orbitals of the ground state of the water molecule.