WOLFRAM|DEMONSTRATIONS PROJECT

Rikitake Model of Geomagnetic Reversal

​
time
v
a
x
0
y
0
z
0
The Rikitake model arose from the study of two connected identical frictionless disk dynamos, where reversals of electric current and magnetic field are observed.
An analogous model is proposed to explain the highly irregular reversals of the Earth’s magnetic field over geological history.