Generalizes LSM theorem to hyperbolic lattices with Fuchsian symmetry and derives lower bound on ground-state degeneracy versus filling and geometry.
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A Krylov staggering parameter derived from Lanczos coefficients analytically distinguishes topological phases in the short-range Kitaev model and tracks boundary versus bulk control of the gap in long-range cases.
A disorder-free spin ladder model exhibits a reversed quantum disentangled liquid at strong rung coupling, where light spins thermalize and heavy spins localize, establishing a microscopic origin for quasi-MBL.
Optimal single-site operators for multipartite nonlocality in 1D spin chains exhibit mirror symmetry and remain robust across phases in Ising-type models.
citing papers explorer
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Lieb-Schultz-Mattis constraints for hyperbolic lattices
Generalizes LSM theorem to hyperbolic lattices with Fuchsian symmetry and derives lower bound on ground-state degeneracy versus filling and geometry.
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Long-Range Pairing in the Kitaev Model: Krylov Subspace Signatures
A Krylov staggering parameter derived from Lanczos coefficients analytically distinguishes topological phases in the short-range Kitaev model and tracks boundary versus bulk control of the gap in long-range cases.
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Crossover from Quantum Chaos to a Reversed Quantum Disentangled Liquid in a Disorder-Free Spin Ladder
A disorder-free spin ladder model exhibits a reversed quantum disentangled liquid at strong rung coupling, where light spins thermalize and heavy spins localize, establishing a microscopic origin for quasi-MBL.
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Intrinsic Mirror Symmetry and Robustness of Optimal Nonlocal Operators in One-Dimensional Quantum Spin Chains
Optimal single-site operators for multipartite nonlocality in 1D spin chains exhibit mirror symmetry and remain robust across phases in Ising-type models.