Author

Lei-Yi-Nan Liu

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Preprint Sep 2026

Entanglement, anti-flatness, and nonlocal nonstabilizerness: a unified perspective from entanglement spectrum

Entanglement and nonstabilizerness capture distinct aspects of quantum complexity, yet their relation through the entanglement spectrum remains poorly understood. Here we develop a spectral framework for bipartite nonlocal nonstabilizerness. We introduce a generalized anti-flatness and derive upper and lower bounds on...

Lei-Yi-Nan Liu, Jian Cui · 10 citations

Preprint Jul 2026

Nonlocal nonstabilizerness for slightly entangled quantum many-body states

Nonlocal nonstabilizerness quantifies the irreducible magic resource encoded in bipartite entanglement, but its evaluation is generally hindered by a highly nonconvex optimization over local unitary transformations. Here we propose a Schmidt-reference-state framework that replaces this optimization by a direct construc...

Lei-Yi-Nan Liu, Jian Cui · 4 citations · ⚡1