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Donatas Zigmantas. Portrait.

Donatas Zigmantas

Professor

Donatas Zigmantas. Portrait.

Vibrational vs. electronic coherences in 2D spectrum of molecular systems

Author

  • Vytautas Butkus
  • Donatas Zigmantas
  • Leonas Valkunas
  • Darius Abramavicius

Summary, in English

Two-dimensional spectroscopy has recently revealed the oscillatory behavior of the excitation dynamics of molecular systems. However, in the majority of cases there is considerable debate over what is actually being observed: excitonic or vibrational wavepacket motion or evidence of quantum transport. In this letter we present a method for distinguishing between vibrational and excitonic wavepacket motion, based on the phase and amplitude relationships of oscillations of distinct peaks as revealed through a fundamental analysis of the two-dimensional spectra of two representative systems. (C) 2012 Elsevier B.V. All rights reserved.

Department/s

  • Chemical Physics
  • NanoLund: Centre for Nanoscience

Publishing year

2012

Language

English

Pages

40-43

Publication/Series

Chemical Physics Letters

Volume

545

Document type

Journal article

Publisher

Elsevier

Topic

  • Atom and Molecular Physics and Optics

Status

Published

ISBN/ISSN/Other

  • ISSN: 0009-2614