@misc{indiciae3f933a1aacd6, title = {Spectral phase singularity and topological behavior in perfect absorption}, author = {Liu, Mengqi and Chen, Weijin and Hu, Guangwei and Fan, Shanhui and Christodoulides, Demetrios N. and Zhao, Changying and Qiu, Cheng-Wei}, year = {2023}, doi = {10.1103/physrevb.107.l241403}, url = {https://www.osti.gov/biblio/2422434}, note = {Source identifier: 2422434} }