References
- Kelly , H.P. 1968 . Adv. theor. Phys. , 2 : 75 – 75 . and references therein
- For open-shell perturbation theories, see Bloch C. Horowitz J. Nucl. Phys. 1958 8 91 91 (b) Brandow, B. H., 1967, Rev. mod. Phys., 39, 771. (c) Brandow, B. H., 1968, Lectures in Theoretical Physics, Vol. 11 B, Boulder Summer School Lecture Notes. (d) Sandars, P. G. H., 1969, Adv. chem. Phys., 14, 365. (e) Oberlechner, G., Owono-N-Guema, F., and Richert, J., 1970, Nuovo Cim. B, 68, 23. (f) Johnson, M. B., and Baranger, M., 1971, Ann. Phys., 62, 172. (g) Kuo, T. T. S., Lee, S. Y., and Ratcliffe, K. F., 1971, Nucl. Phys. A, 176, 65. (h) Kaldor, U., 1973, Phys. Rev. Lett., 31, 1338. Kaldor has made an application to the excited states of the H2 molecule.
- Čížek , J. 1966 . J. chem. Phys. , 45 : 4256 – 4256 .
- Čížek , J. 1969 . Adv. chem. Phys. , 14 : 35 – 35 .
- Čížek , J. and Paldus , J. 1967 . J. chem. Phys. , 47 : 3976 – 3976 . 1970, Ibid., 52, 2919; 53, 821.
- An Ursell-type cluster expansion about an open-shell configuration was also considered by Silverstone H.J. Sinanoğlu O. J. chem. Phys. 1966 44 1899 1899 3608. (b) Oksuz, I., and Sinanoğlu, O., 1969, Phys. Rev., 181, 4254. (c) Westhaus, P., and Sinanoğlu, O., 1969, Phys. Rev., 183, 56.
- Hugenholtz , N.M. 1957 . Physica , 23 : 481 – 481 .
- Parr , R.G. 1964 . Quantum Theory of Molecular Electronic Structure , Benjamin Inc. .