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cond-mat.str-el2026
Optimized Tensor-Network Renormalization for Quantum Dynamics: Resolving the Spectral Function of
Jiahang Hu, Runze Chi, B. Normand +2
Tensor-network methods have opened a powerful route for the study of dynamical spectral functions in two-dimensional quantum systems. However, existing approaches within the framew…
cond-mat.str-el2026
Exact Neural-Network Representations of the Motzkin States
Runde Zha, Yuntian Gu, Chaohui Fan +3
Motzkin spin chains are paradigmatic frustration-free one-dimensional quantum systems whose ground states feature exactly solvable combinatorial structures and exotic, area-law-vio…
cond-mat.stat-mech2026
Statistical mechanics of the -queens problem
Zong-Yue Liu, Hai-Jun Liao, Lei Wang
We investigate the -queens problem as a lattice gas -- a model in which queens are placed on an chessboard with pairwise repulsive interactions along shared row…