TY - Chin. Phys. Lett. A1 - Yue Liu  and Dahai He T1 - Approach to Phonon Relaxation Time and Mean Free Path in Nonlinear Lattices Y1 - 2021-03-17 JF - Chinese Physics Letters JO - Chin. Phys. Lett. SP - 044401EP - VL - 38 IS - 4 UR - https://cpl.iphy.ac.cn N1 - 10.1088/0256-307X/38/4/044401 ER -