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cond-mat.mes-hall2026
Hilbert space connectivity in non-Hermitian many-body systems: emergent scale-dependent amplification and constraint-induced skin localization
Zichang Hao, Wen-Tan Xue, Ching Hua Lee
Various exotic many-body phenomena such as quantum scars and fractons have been linked to Hilbert space fragmentation. In this work, we find that in non-Hermitian settings, Hilbert…
quant-ph2026
A Recursive Module-Coupling Algorithm for Computing Low-Energy Eigenstates
Dihang Sun, Nannan Ma, Ching Hua Lee +2
Finding the eigenstates of a many-body Hamiltonian is a fundamental challenge in physics and computational science. Since the search space grows exponentially with system size, num…
cond-mat.mes-hall2026
Non-Hermitian Edge State Endocytosis
Si-Yu Yuan, Wen-Tan Xue, Ching Hua Lee
An isolated edge state observed in a finite open chain is usually expected to survive the thermodynamic limit (TDL), with a localization mechanism distinct from non-Hermitian skin…