Possible sources of the error compensation effect of the Mull&en approximation for 1ocallLBd bond orbItal overlap densities are discussed in terms of Ruedenberg's expansion. The Mullken approximalion has hen applied previously for one-and two-electron imegrals to simplify bond-bond pair potentials w
The use of central pair potentials in the lattice dynamics of yttrium
β Scribed by M.P. Verma; J.C. Upadhyaya
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 361 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0038-1098
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π SIMILAR VOLUMES
The distinct feature of the chemical bonding of boron solids is three-center or icosahedral bonding. The consequences of this peculiar bonding on the lattice dynamics are discussed in terms of the central and noncentral forces, while the recent development in this field is reviewed. The character of
## Abstract This paper uses information about prime age individuals living in Amsterdam to study the dynamics in the use of tobacco, cannabis, and cocaine. The analysis examines transitions from nonβuse to use, as well as transitions from use to nonβuse. Particular attention is given to the effect