Selecting molecules in the vibrational and rotational ground state by deflection

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A beam of diatomic molecules scattered off a standing wave laser mode splits according to the rovibrational quantum state of the molecules. Our numerical calculation shows that single state resolution can be achieved by properly tuned, monochromatic light. The proposed scheme allows for selecting non-vibrating and non-rotating molecules from a thermal beam, implementing a laser Maxwell's demon to prepare a rovibrationally cold molecular ensemble.

Original languageEnglish
Pages (from-to)49-53
Number of pages5
JournalEuropean Physical Journal D
Issue number1
Publication statusPublished - Apr 1 2001


ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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