Phys. Rev. A 63, 063402 (2001) [7 pages]Coherent control of enrichment and conversion of molecular spin isomersReceived 6 November 2000; published 4 May 2001 A theoretical model of nuclear spin conversion in molecules controlled by an external electromagnetic radiation resonant to a rotational transition is developed. It is shown that one can produce an enrichment of spin isomers and influence their conversion rates in two ways, through coherences and through level population changes induced by radiation. The effect on conversion ranges from significant speed-up to almost complete inhibition of the process by proper choice of frequency and intensity of the external field. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.63.063402
DOI:
10.1103/PhysRevA.63.063402
PACS:
32.80.Bx, 33.50.-j, 03.65.-w
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