Friday, June 28, 2013

1306.6387 (Ilya G. Ryabinkin et al.)

Geometric phase effects in dynamics near conical intersections: Symmetry
breaking and spatial localization

Ilya G. Ryabinkin, Artur F. Izmaylov
We show that finite systems with conical intersections can exhibit spontaneous symmetry breaking which manifests itself in spatial localization of eigenstates. This localization has a geometric phase origin and is robust against variation of model parameters. The transition between localized and delocalized eigenstate regimes resembles a continuous phase transition. The localization slows down the low-energy quantum nuclear dynamics at zero and low temperatures.
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