论文标题
展示量子计算机的功能，高度纠缠测量的认证和可扩展的量子非局部性
Demonstrating the power of quantum computers, certification of highly entangled measurements and scalable quantum nonlocality
论文作者
论文摘要
越来越复杂的量子计算机激发了其在认证真正量子现象方面的能力的探索。在这里，我们演示了最新的IBM量子计算机在受量子网络启发的相关实验中的力量。我们的实验最多具有12 QUAT，并且需要实施范式铃铛状态测量，以进行可扩展的纠缠交换。首先，我们演示了量子相关性，这些相关性在多达9个问题的系统中违背了经典模型，而仅假设量子计算机在Qubits上运行。收集这些量子优势，我们能够证明在512结果测量中纠缠的82个基本要素。然后，我们放宽量子假设，并在以星形配置以多个独立纠缠状态的情况下考虑量子非局部性。我们报告违反源独立的贝尔不平等现象的量子，最多违反了十个QUAT。我们的结果表明，量子计算机能够超过经典局限性并证明可扩展的纠缠测量值的能力。
Increasingly sophisticated quantum computers motivate the exploration of their abilities in certifying genuine quantum phenomena. Here, we demonstrate the power of state-of-the-art IBM quantum computers in correlation experiments inspired by quantum networks. Our experiments feature up to 12 qubits and require the implementation of paradigmatic Bell-State Measurements for scalable entanglement-swapping. First, we demonstrate quantum correlations that defy classical models in up to nine-qubit systems while only assuming that the quantum computer operates on qubits. Harvesting these quantum advantages, we are able to certify 82 basis elements as entangled in a 512-outcome measurement. Then, we relax the qubit assumption and consider quantum nonlocality in a scenario with multiple independent entangled states arranged in a star configuration. We report quantum violations of source-independent Bell inequalities for up to ten qubits. Our results demonstrate the ability of quantum computers to outperform classical limitations and certify scalable entangled measurements.
