Likewise, when the metric is constant, i.e.,Γλ = 0, the CBC re- duces to the usual left-right non-Hermitian Berry connec- tiongiveninEq

In the Hermitian limit, the CBC reduces to the standard Berry connection, sinceη→IandD λ →∂ λ

1 Pith paper cite this work. Polarity classification is still indexing.

1 Pith paper citing it