Two-photon absorption: transitions induced in highly symmetric molecules by a magnetic field

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Abstract

It has recently been shown that certain two-photon transitions can be indiced in atoms by applying a static magnetic field at the intersection of two crossed laser beams. The mechanism involves quantum mechanical interference between different excitation pathways. In this letter it is shown that a similar effect takes place in any highly symmetric molecule such as methane or sulphur hexafluoride belonging to a cubic symmetry group. However, in this case, the effect occurs through a non-linear magneto-optical interaction which is quite distinct from the interference mechanism.
Original languageEnglish
Pages (from-to)L613-L616
Number of pages4
JournalJournal of Physics B: Atomic and Molecular Physics
Volume19
Issue number18
DOIs
Publication statusPublished - 28 Sep 1986

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