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W. Kohn and L. J. Sham, “Self-Consistent Equations Including Exchange and Correlation Effects,” Physical Review Journal, Vol. 140, No. 4A, 1965, pp. A1133-A1138.
http://link.aps.org/doi/10.1103/PhysRev.140.A1133

has been cited by the following article:

• TITLE: Positron Annihilation in Perfect and Defective TiO2 Rutile Crystal with Single Particle Wave Function: Slater Type Orbital and Modified Jastrow Functions

  AUTHORS: Trinh Hoa Lang, Chau Van Tao, Kieu Tien Dung, Le Hoang Chien

  KEYWORDS: Positron; Annihilation; Jastrow; Lifetime; VQMC; TiO2

  JOURNAL NAME: World Journal of Nuclear Science and Technology, Vol.4 No.1, January 26, 2014

  ABSTRACT: Positron annihilation in TiO2 rutile crystal is studied by an assumption that a positron binds with valance electrons of a titanium dioxide to form a pseudo TiO2-positron molecule before it annihilates with these electrons. The orbital modification consisting of explicit electron-positron and electron-electron correlation in each electronic orbital is used for the electrons and positron wave functions. By these wave functions, the calculation results of the positron lifetimes in unmitigated and defective TiO2 crystals are about 170 ps, 266 ps and 243 ps, respectively. These results are in good agreement with experimental data of the positron lifetimes in vacancies of TiO2 from 180 ps to 300 ps.