Importance of dynamic lattice effects for crystal field excitations in the quantum spin ice candidate Pr2Zr2O7

Yuanyuan Xu, Huiyuan Man, 2 Nan Tang, 2 Santu Baidya, Honbin Zhang, Satoru Nakatsuji, 4, 5, 6, 7 David Vanderbilt, and Natalia Drichko Institute for Quantum Matter and Department of Physics and Astronomy, Johns Hopkins University, Baltimore, Maryland 21218, USA Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581, Japan Department of Physics and Astronomy, Rutgers University CREST, Japan Science and Technology Agency, Kawaguchi, Saitama 332-0012, Japan Institute for Quantum Matter and Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218, USA Department of Physics, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan Trans-scale Quantum Science Institute, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan (Dated: July 28, 2021)