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一套通用新框架,破解量子蒙卡测量瓶颈
量子蒙特卡罗是处理大规模强关联系统最有力的无偏数值工具之一,但其“测量能力”长期受限于一个深层困境:只能高效测量在路径积分表象下的对角物理量。非对角观测量虽往往承载量子物质的核心信息,却因与采样权重“零重叠”,在传统QMC中几乎“不可见”。
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