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- research-articleJune 2020
Classical algorithms, correlation decay, and complex zeros of partition functions of Quantum many-body systems
STOC 2020: Proceedings of the 52nd Annual ACM SIGACT Symposium on Theory of ComputingPages 378–386https://doi.org/10.1145/3357713.3384322We present a quasi-polynomial time classical algorithm that estimates the partition function of quantum many-body systems at temperatures above the thermal phase transition point. It is known that in the worst case, the same problem is NP-hard below ...