목록 Quantum electrodynamics of photonic time crystals Author Junhyeon Bae, Kyungmin Lee, Bumki Min, Kun Woo Kim Journal Nature Communications Vol 17 Page 858 Year 2026 Link https://www.nature.com/articles/s41467-025-67572-0 1309회 연결 Link https://arxiv.org/abs/2501.03106 427회 연결