Optimization of ground and excited state wavefunctions and van der Waals clusters

Details Optimization of ground and excited state wavefunctions and van der Waals clusters Optimization of ground and excited state wavefunctions and van der Waals clusters

2000-10-26

arxiv.org/abs/physics/0010066v2

Phys. Rev. Lett. 87, 043401 (2001)

Physics

Computational Physics

Scientific paper

10.1103/PhysRevLett.87.043401

A quantum Monte Carlo method is introduced to optimize excited state trial
wavefunctions. The method is applied in a correlation function Monte Carlo
calculation to compute ground and excited state energies of bosonic van der
Waals clusters of upto seven particles. The calculations are performed using
trial wavefunctions with general three-body correlations.

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