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Asymmetric Loop Spectra and Unbroken Phase Protection due to Nonlinearities in PT-Symmetric Periodic Potentials

Yongping Zhang1, Zhu Chen2, Biao Wu3,4,5

  • 1International Center of Quantum Artificial Intelligence for Science and Technology (QuArtist) and Department of Physics, Shanghai University, Shanghai 200444, China.

Physical Review Letters
|July 30, 2021
PubMed

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