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cond-mat.quant-gas2025
Beyond fragmented dopant dynamics in quantum spin lattices: Robust localization and non-Gaussian diffusion
Mingru Yang, Sajant Anand, Kristian Knakkergaard Nielsen
The motion of dopants in magnetic spin lattices has received tremendous attention for at least four decades due to its connection to high-temperature superconductivity. Despite the…
cond-mat.quant-gas2021★ 10 cited
Stochastic differential equation approach to understanding the population control bias in full configuration interaction quantum Monte Carlo
Joachim Brand, Mingrui Yang, Elke Pahl
We investigate a systematic statistical bias found in full configuration quantum Monte Carlo (FCIQMC) that originates from controlling a walker population with a fluctuating shift…