Abstract
We show that the exact ground-state wave function for an arbitrary two-body Hamiltonian in second-quantized, finite basis set, form cannot generally be represented by a generalized coupled-cluster operator with real finite matrix elements acting on an arbitrary initial trial function.
- Received 30 May 2003
DOI:https://doi.org/10.1103/PhysRevLett.91.123001
©2003 American Physical Society