Trial_wave_functions
If the left and right trial wave functions are different, then one of the trial wave functions has to be multiple by a phase such that <Psi_L | Psi_R > > 0 otherwise, the program will produce a "fake" negative sign problem.
If the left and right trial wave functions are different, then one of the trial wave functions has to be multiple by a phase such that <Psi_L | Psi_R > > 0 otherwise, the program will produce a "fake" negative sign problem.