Dissipation in chiral transport quenches partition noise by relaxing electrons to lower states, leaving only U(1)-protected residual noise, while selective heating reveals competing contributions and an inversion scheme reconstructs the occupancy distribution from noise cumulants.
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Nonlocal magic in fermionic Gaussian states is bounded by the entanglement spectrum of the covariance matrix, is extensive in the Haar ensemble, peaks at criticality in the Kitaev chain, and grows diffusively under random circuits.
Disorder induces a crossover from phase-averaging to mode-mixing regimes in domain wall transport of a second-order topological insulator, marked by a 0.5 e²/h plateau and two-step conductance fluctuations at 0.35 and 0.29 e²/h with corresponding Fano factors of 1/4 and 1/3.
Klein tunneling persists in a gapped Chern-insulator heterostructure due to Dirac mass inversion at the trivial-topological interfaces, producing explicit expressions for temperature-dependent linear and nonlinear conductances.
citing papers explorer
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Open Quantum Theory of Shot Noise in Dissipative Chiral Transport
Dissipation in chiral transport quenches partition noise by relaxing electrons to lower states, leaving only U(1)-protected residual noise, while selective heating reveals competing contributions and an inversion scheme reconstructs the occupancy distribution from noise cumulants.
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Nonlocal nonstabilizerness in free fermion models
Nonlocal magic in fermionic Gaussian states is bounded by the entanglement spectrum of the covariance matrix, is extensive in the Haar ensemble, peaks at criticality in the Kitaev chain, and grows diffusively under random circuits.
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Disorder-induced crossover from phase-averaging to mode-mixing regimes in magnetic domain walls of a second-order topological insulator
Disorder induces a crossover from phase-averaging to mode-mixing regimes in domain wall transport of a second-order topological insulator, marked by a 0.5 e²/h plateau and two-step conductance fluctuations at 0.35 and 0.29 e²/h with corresponding Fano factors of 1/4 and 1/3.
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Landauer-based study of transport in Chern insulator heterostructures
Klein tunneling persists in a gapped Chern-insulator heterostructure due to Dirac mass inversion at the trivial-topological interfaces, producing explicit expressions for temperature-dependent linear and nonlinear conductances.