Splitting methods in the imaginary
time propagation technique
In the paper
P. Bader, S. Blanes, and F. Casas.
Solving the Schrödinger eigenvalue problem by the imaginary time
propagation technique using splitting methods with complex coefficients.
The Journal of Chemical Physics 139
(2013), 124117
we present high order
splitting methods with complex coefficients specifically
designed to be used in combination with the imaginary time
propagation technique for solving the Schrödinger
eigenvalue problem. Here we collect the
coefficients of all the methods analyzed in that paper.