Phys. Rev. A 59, 4805–4808 (1999)Electron-momentum densities of singly charged ionsReceived 8 September 1998; revised 21 December 1998; published in the issue dated June 1999 Spherically averaged electron momentum densities Π(p) are constructed by the numerical Hartree-Fock method for 54 singly charged atomic cations from He+ (atomic number Z=2) to Cs+ (Z=55) and 43 anions from H- (Z=1) to I- (Z=53) in their experimental ground state. As in the case of neutral atoms, the Hartree-Fock momentum densities for all these ions can be classified into three types; 28 cations and 10 anions have a unimodal density with a maximum at p=0, 22 cations and 21 anions have a unimodal density with a maximum at p>0, and 4 cations and 12 anions have a bimodal density with a primary maximum at p=0 and a secondary maximum at p>0. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.59.4805
DOI:
10.1103/PhysRevA.59.4805
PACS:
31.90.+s, 32.80.Cy, 31.10.+z
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