Non-Hermitian bulk-boundary correspondence and singular behaviors of generalized Brillouin zone
Abstract
The bulk boundary correspondence, which connects the topological invariant, the continuum band and energies under different boundary conditions, is the core concept in the non-Bloch band theory, in which the generalized Brillouin zone (GBZ), appearing as a closed loop generally, is a fundamental tool to rebuild it. In this work, it can be shown that the recovery of the open boundary energy spectrum by the continuum band remains unchanged even if...
Paper Details
Title
Non-Hermitian bulk-boundary correspondence and singular behaviors of generalized Brillouin zone
Published Date
Dec 1, 2021
Journal
Volume
23
Issue
12
Pages
123007 - 123007
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