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Title: Periodic orbit analysis for HeH2+ in three dimensions
Authors: Maiti, B
Sathyamurthy, N
Stamatiadis, S
Farantos, S C
Issue Date: Mar-2000
Publisher: NISCAIR-CSIR, India
Abstract: A systematic analysis of periodic orbits (POs) for HeH2+ in three dimensions has been carried out on the McLaughlin-Thompson-Joseph- Sathyamurthy potential energy surface. Continuation/bifurcation diagrams for the system are reported over a range of energy values . It is shown that the different POs are related to the symmetric (S), asymmetric (A) and bending (B) modes. While the A mode is alternately stable and unstable over a range of energies, the S and B modes are stable for energies below zero and they become unstable for energies above zero. Classical chaos in the system is traced to period doubling and saddle-node bifurcations. The implications of the behaviour of the POs for the quantum mechanical reactive scattering resonances are pointed out.
Page(s): 338-344
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.39A(01-03) [January-March 2000]

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