Abstract
We show that, by using a saturable gain gsat, generalized PT (GPT) symmetry can be achieved in the intrinsically unbalanced (non-PT-symmetric) high-order wireless power transfer systems. A topology decomposition approach is implemented to analyze the parity of the high-order wireless power transfer systems. In the coupling parametric space, a global GPT-symmetric eigenstate is observed along with the spontaneous phase transition of the local GPT-symmetric eigenstates on the exceptional contour. GPT symmetry guarantees a highly efficient and stable power transfer across the distinct coupling regions, which introduces a new paradigm for a broad range of application scenarios involving asymmetric coupling.
Original language | English (US) |
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Article number | 200201 |
Journal | Physical review letters |
Volume | 129 |
Issue number | 20 |
DOIs | |
State | Published - Nov 11 2022 |
All Science Journal Classification (ASJC) codes
- General Physics and Astronomy