Generalized k-particle brillouin conditions and their use for the construction of correlated electronic wavefunctions
✍ Scribed by Werner Kutzelnigg
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 385 KB
- Volume
- 64
- Category
- Article
- ISSN
- 0009-2614
No coin nor oath required. For personal study only.
✦ Synopsis
The %arintionaI form of the Schriidinger equation IS sho\n to he tquirzdent ro n set of generalized Brillouin condiuons in terms of arbitrJry antihermitean operators R. For rl special choice of these R in second-quantization IJnguJge. kparticic BrdIouin conditions are derwed that Jre a generalization of the "generalized one-particle Brillouin condition%" of Levy Jnd Berthier. The application of these conditions to one-particle and t\xc+particIe hamdtomans is discussed_ A t\o-pJrticle peneralization of the rock operJtor IS derived and an IterJtjfhe kJriJtionJ1 pair-clubter 3chemc IS derived. It IS sho\n that CCPA and SCEP methods satisfy an appro\imJte r&her than an exxt .ct of Brlllouin condluons.