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Universal route for the emergence of exceptional points in PT-symmetric metamaterials with unfolding spectral symmetries
Yanghao Fang1, Tsampikos Kottos2 and Ramathasan Thevamaran4,1,3
Published 2 July 2021 •
© 2021 The Author(s). Published by IOP Publishing Ltd on behalf of the Institute of Physics and Deutsche Physikalische Gesellschaft
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Citation Yanghao Fang et al 2021 New J. Phys. 23 063079
DOI 10.1088/1367-2630/ac09c9
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