Graph-theoretical evaluation of the inelastic propensity rules for molecules with destructive quantum interference
Abstract
We present a method based on graph theory for evaluation of the inelastic propensity rules for molecules exhibiting complete destructive quantum interference in their elastic transmission. The method uses an extended adjacency matrix corresponding to the structural graph of the molecule for calculating the Green function between the sites with attached electrodes and consequently states the corresponding conditions the electron-vibration coupling matrix must meet for the observation of an inelastic signal between the terminals. The method can be fully automated and we provide a functional website running a code using Wolfram Mathematica, which returns a graphical depiction of destructive quantum interference configurations together with the associated inelastic propensity rules for a wide class of molecules.
Cite
@article{arxiv.1705.03719,
title = {Graph-theoretical evaluation of the inelastic propensity rules for molecules with destructive quantum interference},
author = {Rudolf Sýkora and Tomáš Novotný},
journal= {arXiv preprint arXiv:1705.03719},
year = {2017}
}
Comments
13 pages, 9 figures, web page: http://qi.karlov.mff.cuni.cz:1345