Force field curves Integral curves of the differential equation with . Initial conditions are on the unit circle in the . Integral curves of Newton’s second law with . Initial conditions are on the unit circle in the ; for all curves. Newtonian vector field integral curves Integral curves of the Newtonian vector field of . Force field curves of the real and imaginary parts of the function Integral curves of the differential equations and with . Initial conditions are on the unit circle in the . Integral curves of Newton’s second law in the potentials and . The black circle is the unit circle in the ,‐plane.
