MANY-PARTICLE INTERACTION AND LEVEL SHIFT OF THE He ATOM
Journal Article
·
· Nauk. Zapiski, Odes. Derzhav. Pedagog. Inst.
OSTI ID:4016460
The role of three-particle interactions in the He atom is discussed. The effective potential energy of the threeparticle interaction is obtained to a first non-vanishing approximation of the Feyrman-Dyson perturbation theory. The levels' shift of the He atom resulting from this interaction must have a magnitude of the order of a few tenths of cm/sup -1/ and be small in comparison with the experimental errors. The estimation of the next approximations of the perturbation theory for the three-particle potential yields a shift value lesser by two orders; the final result was obtained by using numerical integration. (Referat. Zhur. Fiz., No. 7, 1960)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-15-025478
- OSTI ID:
- 4016460
- Journal Information:
- Nauk. Zapiski, Odes. Derzhav. Pedagog. Inst., Journal Name: Nauk. Zapiski, Odes. Derzhav. Pedagog. Inst. Vol. Vol: 23
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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