Hund's paradox and the collisional stabilization of chiral molecules
Johannes Trost, Klaus Hornberger
TL;DR
This paper investigates how collisions can stabilize chiral molecules by suppressing tunneling between configurations, providing theoretical predictions for experimental observation of this effect.
Contribution
It identifies the main collisional decoherence mechanism and compares a high-energy approximation with exact scattering calculations for chiral molecules.
Findings
Collisional decoherence stabilizes chiral configurations.
Predicted conditions for observing tunneling suppression.
Comparison between approximate and exact scattering results.
Abstract
We identify the dominant collisional decoherence mechanism which serves to stabilize and super-select the configuration states of chiral molecules. A high-energy description of this effect is compared to the results of the exact molecular scattering problem, obtained by solving the coupled-channel equations. It allows to predict the experimental conditions for observing the collisional suppression of the tunneling dynamics between the left-handed and the right-handed configuration of D2S2 molecules.
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