Journal
IEEE ACCESS
Volume 7, Issue -, Pages 107874-107878Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2019.2933198
Keywords
Parity-time-anyonic; coupled resonators; tunable exceptional points
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Funding
- Ministry of Science and Technology of the People's Republic of China (MOST) [2016YFA0301304]
- China Postdoctoral Science Foundation [2018M641277]
- National Natural Science Foundation of China [61622103, 61671083]
- Fundamental Research Funds for the Central Universities (BNU)
- Fok Ying-Tong Education Foundation for Young Teachers in the Higher Education Institutions of China [151063]
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The Hermiticity of physical observable is the fundamental axioms in quantum mechanics. However, it is found that several non-Hermitian Hamiltonian still have real eigenvalues, especially the parity-time symmetric system. The property of parity-time symmetry leads the system to various nontrivial physics with interesting counterintuitive features around the exceptional point. In this study, we investigate the dynamics of parity-time-anyonic Hamiltonian under the tunable exceptional points related to an arbitrary phase of the system. We show that the parity-time symmetry can be achieved in a quasi-parity-time-symmetric system. Also the phase dependence symmetry is discussed based on the simulated results.
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