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quant-ph2026
Sustained macroscopic quantum coherence in a superradiant solid under ambient conditions
Wei-Jiang Wu, Da-Wu Xiao, Wen-Tao Wang +5
Macroscopic quantum coherence, such as in laser, Bose-Einstein condensates, superfluids, and superconductors, is important to fundamental physics and useful for quantum technologie…
physics.optics2026★ 5 cited
Enhancement of signal-to-noise ratio at a high-order exceptional point of coherent perfect absorption
Zi-Qi Wang, Yi-Ming Sun, Yao-Dong Hu +4
Exceptional points (EPs) in non-Hermitian systems offer a remarkably strong response to weak perturbations, but the nonorthogonal nature of the corresponding eigenvectors causes no…