Temporal Change of Seismic Earth's Inner Core Phases: Inner Core Differential Rotation Or Temporal Change of Inner Core Surface?

Jiayuan Yao1, Dongdong Tian2, Li Sun3 and Lianxing Wen2,4, (1)Nanyang Technological University, Division of Mathematical Sciences, School of Physical and Mathematical Sciences, Singapore, Singapore, (2)University of Science and Technology of China, School of Earth and Space Sciences, Hefei, China, (3)China Earthquake Networks Center, Beijing, China, (4)State University of New York at Stony Brook, Department of Geosciences, Stony Brook, NY, United States