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The electron-pair density of atomic systems. Rigorous bounds and application to helium.
J.S. Dehesa, J.C. Angulo and T. Koga.
Zeitschrift für Physik D 25 (1992) 3-8.
Study of some interelectronic properties in helium-like ions.
J.S. Dehesa, J.C. Angulo, T. Koga and K. Matsui.
Zeitschrift für Physik D 25 (1992) 9-16.
Bounds to the central electron-pair density with applications to two-electron atoms.
J.S. Dehesa, J.C. Angulo, T. Koga and K. Matsui.
Physical Review A 47 (1993) 5202-5205.
Interelectronic moments of atomic systems.
J.S. Dehesa, J.C. Angulo, T. Koga and Y. Kasai.
Physical Review A 48 (1993) 832-835.
T. Koga, Y. Kasai, J.S. Dehesa and J.C. Angulo.
Physical Review A 48 (1993) 2457-2460.
Electron-electron coalescence and interelectronic log-moments in atomic systems.
T. Koga, J.C. Angulo and J.S. Dehesa.
Proceedings of the Indian Academy of Sciences (Chemical Sciences) 106 (1994) 123-132.
Bounds to some local electron-pair properties with application to two-electron ions.
J.S. Dehesa, J.C. Angulo, T. Koga and Y. Kasai.
Physical Review A 50 (1994) 857-860.
On the non-convexity of charge densities in atoms and ions.
J.C. Angulo, T. Koga, E. Romera and J.S. Dehesa.
Journal of Molecular Structure 501-502 (2000) 177-182.
Upper bounds to atomic electron densities in position and momentum spaces.
E. Romera, T. Koga, J.C. Angulo and J.S. Dehesa.
Journal of Mathematical Chemistry 28 (2000) 341-351.