In the non-Hermitian SSH chain with AAH disorder, a competition regime shows reentrant partial delocalization, a modified localization boundary λ_c(δ)=2√(v_eff w), unwinding of spectral loops, and entanglement suppression by skin effect.
Zhanget al., arXiv:2301.12138 (2023)
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Sublattice bias in the checkerboard Bose-Hubbard model makes the commensurate superfluid phase experimentally accessible via transmon arrays and supplies new probes for superfluid and insulating phases.
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Competing skin effect and quasiperiodic localization in the non-Hermitian Su-Schrieffer-Heeger chain: Reentrant delocalization, spectral topology destruction, and entanglement suppression
In the non-Hermitian SSH chain with AAH disorder, a competition regime shows reentrant partial delocalization, a modified localization boundary λ_c(δ)=2√(v_eff w), unwinding of spectral loops, and entanglement suppression by skin effect.
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Checkerboard Bose Hubbard Ladders using Transmon Arrays
Sublattice bias in the checkerboard Bose-Hubbard model makes the commensurate superfluid phase experimentally accessible via transmon arrays and supplies new probes for superfluid and insulating phases.