Hang Yu Yu, H., Yapa, N., & Konig, S. (2024). Complex scaling in finite volume. PHYSICAL REVIEW C, 109(1). https://doi.org/10.1103/PhysRevC.109.014316 Yu, H., Koenig, S., & Lee, D. (2023). Charged-Particle Bound States in Periodic Boxes. PHYSICAL REVIEW LETTERS, 131(21). https://doi.org/10.1103/PhysRevLett.131.212502