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cond-mat.str-el2026
Quantics tensor trains for multiloop functional renormalization group in multiorbital impurity models
Hyun-Yong Lee, Naoki Kawashima
The full frequency dependence of electronic interactions is central to dynamical correlations, but its numerical cost restricts multiorbital calculations. We formulate the multiloo…
cond-mat.stat-mech2026
Universal Information-Theoretic Structure of the Quasi-Stationary Domany--Kinzel Automaton
Hyun-Yong Lee, Kenji Harada, Naoki Kawashima
We characterize the quasi-stationary distribution (QSD) of the bond directed-percolation line of the Domany--Kinzel automaton using a matrix-product-state representation of the pro…