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Published October 2007 | Published
Journal Article Open

Geometric phase effects in H3 predissociation

Abstract

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,2A1[prime] and 2p,2A2[double-prime] 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.

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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August 22, 2023
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