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cond-mat.mes-hall2024
Nonequilibrium Steady State Full Counting Statistics in the Noncrossing Approximation
Ido Zemach, Andre Erpenbeck, Emanuel Gull +1
Quantum transport is often characterized not just by mean observables like the particle or energy current, but by their fluctuations and higher moments, which can act as detailed p…
cond-mat.mes-hall2024
Steady-state properties of multi-orbital systems using quantum Monte Carlo
Andre Erpenbeck, Thomas Blommel, Lei Zhang +3
A precise dynamical characterization of quantum impurity models with multiple interacting orbitals is challenging. In quantum Monte Carlo methods, this is embodied by sign problems…