Abstract
We investigate the positivity of the spherically averaged atomic one-electron density \(\widetilde \rho(r)\). For a \(\widetilde \rho\) which stems from a physical ground state we prove that \(\widetilde\rho(r) > 0\) for r ≥ 0.
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Fournais, S., Hoffmann-Ostenhof, M., Hoffmann-Ostenhof, T. et al. Positivity of the spherically averaged atomic one-electron density. Math. Z. 259, 123–130 (2008). https://doi.org/10.1007/s00209-007-0215-3
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DOI: https://doi.org/10.1007/s00209-007-0215-3