TY - GENERIC DO - 10.20944/preprints201806.0097.v1 UR - http://dx.doi.org/10.20944/preprints201806.0097.v1 TI - Study of Low Frequency Phonon Modes in YBCO System T2 - Preprints AU - Yu, Jing AU - Li, Liang AU - zhang, han PY - 2018 DA - 2018/06/06 PB - Preprints