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quant-ph2019
Easing the Monte Carlo sign problem
Dominik Hangleiter, Ingo Roth, Daniel Nagaj +1
Quantum Monte Carlo (QMC) methods are the gold standard for studying equilibrium properties of quantum many-body systems -- their phase transitions, ground and thermal state proper…
quant-ph2018
Subsystem symmetries, quantum cellular automata, and computational phases of quantum matter
David T. Stephen, Hendrik Poulsen Nautrup, Juani Bermejo-Vega +2
Quantum phases of matter are resources for notions of quantum computation. In this work, we establish a new link between concepts of quantum information theory and condensed matter…