PT Symmetry in Non-Hermitian Topological Systems
A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".
Deadline for manuscript submissions: closed (17 June 2024) | Viewed by 165
Special Issue Editors
Interests: topological phase transition; topological mapping; non-hermitian topological system; topological quantum information processing
Special Issue Information
Dear Colleagues,
Recently, the topological band theory has been extended in the non-Hermitian versions of the topological insulator, revealing abundant topological phenomena. One of the most typical physics is the spontaneous breaking of parity-time symmetry, leading to the existence of an imaginary energy spectrum. Another typical non-Hermitian topological phenomenon is the non-Bloch theory and on-Hermitian skin effect related to the complex momentum. These non-Hermitian topological phenomena essentially originate from the symmetry of a non-Hermitian Hamiltonian, a crucial concept in the analysis of topological physics that determines the equivalence between two kinds of non-Hermitian topological phenomena in some respects. Non-Hermitian topological physics also promote investigations into non-Hermitian topological dynamics, e.g., non-normal Hamiltonian dynamics. This Special Issue focuses on non-Hermitian topological physics, especially the symmetry of non-Hermitian topological systems.
Dr. Lu Qi
Dr. Xiuyun Zhang
Guest Editors
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Keywords
- non-Hermitian topological physics
- PT symmetry
- non-Bloch theory
- non-Hermitian skin effect
- non-Hermitian topological dynamics
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