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On the emergence of molecular structure


Matyus, E; Hutter, J; Mueller-Herold, U; Reiher, M (2011). On the emergence of molecular structure. Physical Review A, 83(5):082512.

Abstract

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(-).

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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21 citations in Web of Science®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Language:English
Date:2011
Deposited On:03 Aug 2011 15:31
Last Modified:05 Apr 2016 14:58
Publisher:American Physical Society
ISSN:1050-2947
Publisher DOI:10.1103/PhysRevA.83.052512
Other Identification Number:ISI:000290758100007
Permanent URL: http://doi.org/10.5167/uzh-48896

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