@article {21, title = {Nonadiabatic Photodynamics of Retinal Protonated Schiff Base in Channelrhodopsin 2}, journal = {J. Phys. Chem. Lett.}, volume = {10}, year = {2019}, pages = {2862}, chapter = {2862}, doi = {https://doi.org/10.1021/acs.jpclett.9b00701}, url = {https://pubs.acs.org/doi/abs/10.1021/acs.jpclett.9b00701}, author = {Liang, Ruibin and Liu, Fang and Todd J. Mart{\'\i}nez} }