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Fixed Points and Dynamic Topological Phenomena in a Parity-Time-Symmetric Quantum Quench

We identify dynamic topological phenomena such as dynamic Chern numbers and dynamic quantum phase transitions in quantum quenches of the non-Hermitian Su-Schrieffer-Heeger Hamiltonian with parity-time [Formula: see text] symmetry. Their occurrences in the non-unitary dynamics are intimately connecte...

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Detalles Bibliográficos
Autores principales: Qiu, Xingze, Deng, Tian-Shu, Hu, Ying, Xue, Peng, Yi, Wei
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6818370/
https://www.ncbi.nlm.nih.gov/pubmed/31622880
http://dx.doi.org/10.1016/j.isci.2019.09.037