Superconductive PT-symmetry phase transition in metasurfaces

Dongyang Wang, Chun Li, Caihong Zhang, Ming Kang, Xueqian Zhang, Biaobing Jin, Zhen Tian, Yanfeng Li, Shuang Zhang, Jiaguang Han, Weili Zhang

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10 Citations (Scopus)
247 Downloads (Pure)


We experimentally demonstrate a dynamic process of effective Parity-Time (PT)-symmetry breaking through eigen-polarization variation in a hybridized metasurface. The metasurface consists of two coupled resonators made from metal and type II superconductor niobium nitride, respectively. By varying the temperature from 2 to 13 K, the hybridized system is able to pass through the effective PT-symmetry phase transition point, providing a feasible way to investigate the dynamic PT-symmetry transition.
Original languageEnglish
Article number021104
Pages (from-to)021104
Number of pages4
JournalApplied Physics Letters
Issue number2
Publication statusPublished - 9 Jan 2017


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