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Article overview
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Reactive collisions in confined geometries | Zbigniew Idziaszek
; Krzysztof Jachymski
; Paul S. Julienne
; | Date: |
8 Dec 2014 | Abstract: | We consider low energy threshold reactive collisions of particles interacting
via a van der Waals potential at long range in the presence of external
confinement and give analytic formulas for the confinement modified scattering
in such circumstances. The reaction process is described in terms of the short
range reaction probability. Quantum defect theory is used to express elastic
and inelastic or reaction collision rates analytically in terms of two
dimensionless parameters representing phase and reactivity. We discuss the
modifications to Wigner threshold laws for quasi-one-dimensional and
quasi-two-dimensional geometries. Confinement-induced resonances are suppressed
due to reactions and are completely absent in the universal limit where the
short-range loss probability approaches unity. | Source: | arXiv, 1412.2501 | Services: | Forum | Review | PDF | Favorites |
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