Stability of Chiral States, Role of Intermolecular Interactions and Molecular Parity Violation

Details Stability of Chiral States, Role of Intermolecular Interactions and Molecular Parity Violation Stability of Chiral States, Role of Intermolecular Interactions and Molecular Parity Violation

2011-10-17

arxiv.org/abs/1110.3545v1

Comput. Theoret. Chem. 978 (2011), 84-87

Physics

Chemical Physics

5 pages, 2 Figures

Scientific paper

10.1016/j.comptc.2011.09.038

We study the problem of stability of chiral states, also known as problem of chirality, within the framework of a two-dimensional approximation of a symmetric double-well potential. We show how the symmetry breaking of the potential due to the molecular parity violation can stop the tunneling in a coherent way, accordingly stabilize the chiral states. Then, we use the quantum Brownian motion within a linear Lindblad-type equation to model how the intermolecular interactions make the tunneling incoherent, thus inducing a racemization by dephasing. Finally, we investigate the normal physical conditions where the dephasing racemization does not suppress the effects of the molecular parity violation, accordingly the molecular parity violation may be observed experimentally.

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