Journal
PHYSICAL REVIEW A
Volume 83, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.83.052512
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- TH [O-20615-09]
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The structure of {a(+/-),a(+/-),b(+/-)}-type Coulombic systems is characterized by the effective ground-state density of the a-type particles, computed via nonrelativistic quantum mechanics without introduction of the Born-Oppenheimer approximation. A structural transition is observed when varying the relative mass of the a- and b-type particles, e.g., between atomic H- and molecular H-2(+). The particle-density profile indicates a molecular-type behavior for the positronium ion, Ps(-).
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