Some information about the core and Earth's rotation: State of the art of particular questions
History of the detection of the core
Core composition
D" layer
Convection
Geomagnetism
Flow modeling possibilities
Core flow modeling
Earth rotation changes due to the Core
Inner core differential rotation
Specific normal modes sensitive to the core
core modes
Slichter modes
Free Core Nutation (FCN)
Free Inner Core Nutation (FICN) or Prograde FCN (PFCN)
Chandler Wobble