Square lattice Ising model susceptibility: Series expansion method and differential equation for ${\chi }^{(3)}$

N. Zenine, S. Boukraa, S. Hassani +1

In a previous paper (J. Phys. A {\bf 37} (2004) 9651-9668) we have given the Fuchsian linear differential equation satisfied by ${\chi }^{(3)}$, the ``three-particle'' contribution to th…