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Stark Field Modulated Microwave Detection of Molecular Chirality

2015/01/30 by Kevin K. Lehmann, Lehmann, Kevin K.
Chemistry · Physics and Astronomy · #Advanced Chemical Physics Studies #Atomic Physics (physics.atom-ph) #Chemical Physics (physics.chem-ph) #FOS: Physical sciences #Molecular Spectroscopy and Structure #Spectroscopy and Quantum Chemical Studies

paper · pdf · doi:10.48550/arxiv.1501.07874

openalex publication_date 2015/01/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Patterson, Schnell, & Doyle, \it Nature \bf 497, 475 (2013) introduced a microwave experiment that produces a perpendicularly polarized molecular emission when chiral molecules are resonantly excited in the presence of a Stark Field that is then adiabatically switched off before observation of the emission. The sign of the signal is opposite for two stereo-enantiomers and thus the magnitude of the signal gives the enantiomeric excess of the sample. This paper presents a detailed presentation of the theory behind this and provides expressions for the absolute calculation of the expected signal strength for different transitions.

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