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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Correlated dephasing noise induces a many-body Lindbladian point-gap topology and asymmetric diffusion that is interaction-driven and vanishes under postselection.
Sublattice symmetry in any 1D quadratic bosonic pairing Hamiltonian automatically implies an effective time-reversal symmetry of the dynamical matrix, enabling a symmetry-protected skin effect distinct from quadrature decoupling.
Anyonic exchange statistics induces non-Hermitian point-gap topology and skin effects in bound states of a 1D dissipative ladder model that is trivial without statistics.
A non-Bloch framework is established for nonlinear eigenvalue problems to reproduce open-boundary spectra and reveal unique phenomena plus topological correspondence.
Stochastic noise constructively enhances edge self-healing in non-Hermitian systems: weak noise aligns finite-time Lyapunov exponents to prolong healing, while strong noise induces effective non-unitary drift-diffusion for universal asymptotic recovery.
In clean multiband non-Hermitian systems the skin effect is independent of point-gap winding; topology lives in the Toeplitz index and singular-value spectrum, not the eigenspectrum.
Non-Hermitian knot topology exhibits first-order transitions that mirror Hermitian topological phase transitions when singular values are matched to Hermitian eigenvalues, without exceptional points.
Derives discretely spaced complex spectra and biorthogonal eigenstates for non-Hermitian Landau levels under complex magnetic fields, confirmed via a Harper-Hofstadter lattice model.
Graded hopping screens nonreciprocity in a non-Hermitian Stark chain by turning exponential skin factors into algebraic accumulation via similarity transformation and sets a Stark threshold at |F1|=2|F2|.
Z2 skin channels in non-Hermitian systems with ATRS exhibit circulations that imply quantum revivals and scale-dependent effective DQPTs distinct from conventional ones.
Minimal pseudo-Lorentz-symmetry-breaking Hamiltonian deformations act as bulk probes that separate renormalizable observables from those carrying irreducible non-Hermitian structure in two-dimensional Dirac semimetals with real spectra.
Non-Hermiticity induces fractional topological phases in nonlinear Thouless pumping of a Rice-Mele model, explained through auxiliary eigenvalue equations that connect nonlinear spectra to bulk-boundary correspondence.
In the non-Hermitian Kitaev chain, preserved particle-hole symmetry makes the open-chain topological transition coincide with the periodic one and forces zero-energy Majorana modes to appear as reciprocal localization pairs that cancel the non-Hermitian skin effect.
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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Topology from Decoherence
Correlated dephasing noise induces a many-body Lindbladian point-gap topology and asymmetric diffusion that is interaction-driven and vanishes under postselection.
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Symmetry as a route to generalized bosonic Kitaev chains
Sublattice symmetry in any 1D quadratic bosonic pairing Hamiltonian automatically implies an effective time-reversal symmetry of the dynamical matrix, enabling a symmetry-protected skin effect distinct from quadrature decoupling.
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Anyon-induced non-Hermitian topological phases
Anyonic exchange statistics induces non-Hermitian point-gap topology and skin effects in bound states of a 1D dissipative ladder model that is trivial without statistics.
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Non-Bloch band theory of nonlinear eigenvalue problems
A non-Bloch framework is established for nonlinear eigenvalue problems to reproduce open-boundary spectra and reveal unique phenomena plus topological correspondence.
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Noise-Enhanced Self-Healing Dynamics in Non-Hermitian Systems
Stochastic noise constructively enhances edge self-healing in non-Hermitian systems: weak noise aligns finite-time Lyapunov exponents to prolong healing, while strong noise induces effective non-unitary drift-diffusion for universal asymptotic recovery.
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Pseudospectral phenomena and the origin of the non-Hermitian skin effect
In clean multiband non-Hermitian systems the skin effect is independent of point-gap winding; topology lives in the Toeplitz index and singular-value spectrum, not the eigenspectrum.
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Emergence of Hermitian topology from non-Hermitian knots
Non-Hermitian knot topology exhibits first-order transitions that mirror Hermitian topological phase transitions when singular values are matched to Hermitian eigenvalues, without exceptional points.
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Non-Hermitian Landau Levels
Derives discretely spaced complex spectra and biorthogonal eigenstates for non-Hermitian Landau levels under complex magnetic fields, confirmed via a Harper-Hofstadter lattice model.
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Graded hopping screens nonreciprocity and reorganizes Stark asymptotics in a non-Hermitian Stark chain
Graded hopping screens nonreciprocity in a non-Hermitian Stark chain by turning exponential skin factors into algebraic accumulation via similarity transformation and sets a Stark threshold at |F1|=2|F2|.
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$\mathbb{Z}_{2}$ Skin Channels and Effective Dynamical Quantum Phase Transitions
Z2 skin channels in non-Hermitian systems with ATRS exhibit circulations that imply quantum revivals and scale-dependent effective DQPTs distinct from conventional ones.
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Minimal Hamiltonian deformations as bulk probes of effective non-Hermiticity in Dirac materials
Minimal pseudo-Lorentz-symmetry-breaking Hamiltonian deformations act as bulk probes that separate renormalizable observables from those carrying irreducible non-Hermitian structure in two-dimensional Dirac semimetals with real spectra.
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Nonreciprocity Induced Fractional Nonlinear Thouless Pumping
Non-Hermiticity induces fractional topological phases in nonlinear Thouless pumping of a Rice-Mele model, explained through auxiliary eigenvalue equations that connect nonlinear spectra to bulk-boundary correspondence.
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Symmetry and Topology in a Non-Hermitian Kitaev chain
In the non-Hermitian Kitaev chain, preserved particle-hole symmetry makes the open-chain topological transition coincide with the periodic one and forces zero-energy Majorana modes to appear as reciprocal localization pairs that cancel the non-Hermitian skin effect.
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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.