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Phys Rev Lett. 2005 Dec 09;95(24):243002. doi: 10.1103/PhysRevLett.95.243002. Epub 2005 Dec 05.

Experimental confirmation of quantum monodromy: the millimeter wave spectrum of cyanogen isothiocyanate NCNCS.

Physical review letters

Brenda P Winnewisser, Manfred Winnewisser, Ivan R Medvedev, Markus Behnke, Frank C De Lucia, Stephen C Ross, Jacek Koput

Affiliations

  1. Department of Physics, The Ohio State University, Columbus, Ohio 43210-1106, USA.

PMID: 16384372 DOI: 10.1103/PhysRevLett.95.243002

Abstract

We have made energy-momentum maps for the experimental end-over-end rotational energy and the two-dimensional bending vibrational energy, both of which confirm the dominating effects of nontrivial quantum monodromy in cyanogen isothiocyanate. Accidental resonances in the rotational spectra yield accurate intervals between bending states.

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