• Corpus ID: 119212229

Long-range dispersion forces between molecules subject to ultra-short optical pulses from ab initio calculations

  title={Long-range dispersion forces between molecules subject to ultra-short optical pulses from ab initio calculations},
  author={Micael J. T. Oliveira and Ksenia G. Komarova and Françoise Remacle and Matthieu Jean Verstraete},
  journal={arXiv: Chemical Physics},
London-van der Waals dispersion forces are a fundamental component of condensed matter systems, biological processes, and self-assembly. In this letter we propose a method to calculate the C6 coefficients that characterize dispersion forces in the non-retarded regime for molecules in a coherent superposition of excited states. Several ultrafast femtosecond pump-probe schemes are investigated. We apply the method to LiH molecules and show that their London-van der Waals interaction can change… 

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