Terahertz-Induced Tunnel Ionization Drives Coherent Raman-Active Phonon in BismuthRemoveBing Cheng, Patrick L. Kramer, Mariano Trigo, Mengkun Liu, Ctirad Uher, David A. Reis, Zhi-Xun Shen, Jonathan A. Sobota, and Matthias. C. HoffmannPhys. Rev. Lett. 135, 146901 (2025)