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Zeitschrift für Physik D Atoms Molecules and Clusters

The Hund paradox and stabilization of molecular chiral states

Yuri A. Berlin, Alexander L. Burin, Vitalii V. Goldanskii

Published Dec 1, 1996• 44 citations
Publisher
DOI
10.1007/s004600050048

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Molecular matter-wave interferometry enables novel strategies for manipulating the internal mechanical motion of complex molecules.Here, we show how chiral molecules can be prepared in a quantum superposition of two enantiomers by far-field matter-wave diffraction and how the resulting tunneling dynamics can be observed.We determine the impact of rovibrational phase averaging and propose a setup for sensing enantiomer-dependent forces, parity-violating weak interactions, and environment-induced superselection of handedness, as suggested to resolve Hund's paradox.Using ab initio tunneling calculations, we identify [4]-helicene derivatives as promising candidates to implement the proposal with state-of-the-art techniques.This work opens the door for quantum sensing with chiral molecules.