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Geometric phase effects in H3 predissociation

Lepetit, Bruno and Abrol, Ravinder and Kuppermann, Aron (2007) Geometric phase effects in H3 predissociation. Physical Review A, 76 (4). Art. No. 040702(R). ISSN 1050-2947.

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We model the predissociation of H3 in the electronic state corresponding to the upper sheet of the conically intersecting 1 2A[prime] and 2 2A[prime] states, and we show that product-state rovibrational distributions are strongly influenced by the geometric phase. Similarly, the differences in the product-state energy distributions in recent three-body dissociation experiments for the 2s,2A<sub>1</sub><sup>[prime]</sup> and 2p,2A<sub>2</sub><sup>[double-prime]</sup> states of H3 are shown to result from the presence of the geometric phase in this system, and thus provide experimental evidence of the influence of this phase in a molecular dynamical process.

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Abrol, Ravinder0000-0001-7333-6793
Additional Information:© 2007 The American Physical Society. (Received 1 June 2007; published 19 October 2007) This work has been supported in part by CNRS for one of the authors (B.L.) and NSF (Grant No. CHE138091). The authors are grateful to CNRS and NSF for allocations of computing time at IDRIS and SDSC, respectively. They acknowledge useful discussions with Dr. U. Galster.
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Centre National de la Recherche Scientifique (CNRS)UNSPECIFIED
Subject Keywords:molecular configurations; molecular electronic states; predissociation; rotational-vibrational states
Issue or Number:4
Record Number:CaltechAUTHORS:LEPpra07
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:9016
Deposited By: Archive Administrator
Deposited On:20 Oct 2007
Last Modified:02 Oct 2019 23:56

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