A Widom determinant expansion reveals that finite-size edge states in non-Hermitian chains can be absorbed by the bulk spectrum at a critical system size due to competition between boundary-projected Green's function subsets.
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Compressible tight-binding Hamiltonians on N=2^L sites map to L-pseudospin MPOs and can be solved at billion-site scale with TensorBinding.jl without explicit matrix storage.
A dimerized ULH texture in liquid crystal microcavities realizes two voltage-tunable coupled SSH chains with orthogonal polarizations as pseudospin.
GTEMPO is extended to the Nambu formalism for superconducting baths via Bogoliubov transformation, with benchmarks showing accuracy against exact diagonalization and CTQMC.
A hetero-dimensional superconducting metamaterial with magnetic adatoms hosts a tunable weak-to-bulk-dissociated topological superconducting phase without requiring spin-orbit coupling.
Finite current flux fragilizes the two-mode topological phase in a Kitaev ladder, shown via bulk invariants and edge-edge quantum conditional mutual information.
In the topological regime of a parametrically modulated spin-1/2 chain, time-averaged magnetization shows no frequency dispersion and spatial correlations are absent or suppressed near resonance, with the topological-to-trivial transition set by modulation frequency.
Coupled quasiperiodic Kitaev chains host topological phases featuring Majorana edge modes whose wave-function seepage and protection depend on the quasiperiodicity pattern, with differential conductance varying according to how leads are attached.
A review summarizing theoretical and experimental progress on disorder-induced topological phases including TAIs, quasiperiodic extensions, non-Hermitian systems, and many-body realizations.
citing papers explorer
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Non-Hermitian Edge State Endocytosis
A Widom determinant expansion reveals that finite-size edge states in non-Hermitian chains can be absorbed by the bulk spectrum at a critical system size due to competition between boundary-projected Green's function subsets.
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Tensor network solvers for ultra-large tight-binding Hamiltonians: algorithms and applications
Compressible tight-binding Hamiltonians on N=2^L sites map to L-pseudospin MPOs and can be solved at billion-site scale with TensorBinding.jl without explicit matrix storage.
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Engineering Tunable Synthetic Su-Schrieffer-Heeger Chains in Liquid Crystal Microcavities
A dimerized ULH texture in liquid crystal microcavities realizes two voltage-tunable coupled SSH chains with orthogonal polarizations as pseudospin.
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Grassmann time-evolving matrix product operators for fermionic impurities coupled to a superconducting bath
GTEMPO is extended to the Nambu formalism for superconducting baths via Bogoliubov transformation, with benchmarks showing accuracy against exact diagonalization and CTQMC.
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Bulk-dissociated topological bands without spin-orbit coupling in hetero-dimensional superconducting metamaterials
A hetero-dimensional superconducting metamaterial with magnetic adatoms hosts a tunable weak-to-bulk-dissociated topological superconducting phase without requiring spin-orbit coupling.
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Current-driven reduction of topological protection in multichannel superconductors
Finite current flux fragilizes the two-mode topological phase in a Kitaev ladder, shown via bulk invariants and edge-edge quantum conditional mutual information.
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Anomalous parametric resonance in a spin-1/2 chain: dynamical effects of nontrivial topology
In the topological regime of a parametrically modulated spin-1/2 chain, time-averaged magnetization shows no frequency dispersion and spatial correlations are absent or suppressed near resonance, with the topological-to-trivial transition set by modulation frequency.
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Nonlocal transport phenomena in coupled quasiperiodic Kitaev chains
Coupled quasiperiodic Kitaev chains host topological phases featuring Majorana edge modes whose wave-function seepage and protection depend on the quasiperiodicity pattern, with differential conductance varying according to how leads are attached.
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Recent progress on disorder-induced topological phases
A review summarizing theoretical and experimental progress on disorder-induced topological phases including TAIs, quasiperiodic extensions, non-Hermitian systems, and many-body realizations.