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cond-mat.stat-mech2026
Advanced measurement techniques in quantum Monte Carlo: The permutation matrix representation approach
Nic Ezzell, Itay Hen
In a typical finite temperature quantum Monte Carlo (QMC) simulation, estimators for simple static observables such as specific heat and magnetization are known. With a great deal…
cond-mat.stat-mech2026★ 3 cited
A universal black-box quantum Monte Carlo approach to quantum phase transitions
Nic Ezzell, Lev Barash, Itay Hen
We derive exact, universal, closed-form quantum Monte Carlo estimators for finite-temperature energy susceptibility and fidelity susceptibility, applicable to essentially arbitrary…