Quantum-ionic features in the absorption spectra of homonuclear diatomic molecules

A. Crawford-Uranga, D. J. Mowbray, and D. M. Cardamone
Phys. Rev. A 91, 033410 – Published 25 March 2015

Abstract

We show that additional features can emerge in the linear absorption spectra of homonuclear diatomic molecules when the ions are described quantum mechanically. In particular, the widths and energies of the peaks in the optical spectra change with the initial configuration, mass, and charge of the molecule. We introduce a model that can describe these features and we provide a quantitative analysis of the resulting peak energy shifts and width broadenings as a function of the mass.

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  • Received 2 February 2015

DOI:https://doi.org/10.1103/PhysRevA.91.033410

©2015 American Physical Society

Authors & Affiliations

A. Crawford-Uranga*, D. J. Mowbray, and D. M. Cardamone

  • Nano-Bio Spectroscopy group and ETSF Scientific Development Center, Departamento de Física de Materiales, Centro de Física de Materiales CSIC-MPC and DIPC, Universidad del País Vasco UPV/EHU, Avenida de Tolosa 72, E-20018 San Sebastián, Spain

  • *alisonc1986@gmail.com
  • duncan.mowbray@gmail.com
  • david.cardamone@gmail.com

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Vol. 91, Iss. 3 — March 2015

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