HIGHLIGHTS
- who: SciPost Phys. Core and collaborators from the Delft University Delft , GA, The Netherlands have published the article: Topological defects in a double-mirror quadrupole insulator displace diverging charge, in the Journal: (JOURNAL)
- what: To confirm the total charge divergence the authors determine the asymptotic behavior of the local charge density away from the defect.
- how: Specifically the authors analyzed a disclination and a parametric defect in the BBH model and found that the previously reported charge quantization is a consequence of the sublattice symmetry or of neglecting the effects of lattice strain . . .
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