Research Interests - by Su Xu

• Wobble-nutation modes

• Coupling mechanisms within the Earth

• Earth gravity field: gravity data processing, determination of the free core nutation from gravity data, polar motion correction

• Variations in the length of day

• Mechanism of exciting a super rotation of the inner core

• Eigensolutions and seismic excitation of the Slichter mode triplet

• GPS

• Remote sensing