Laser-induced "two-atom" coherence

Munir H. Nayfeh, G. B. Hillard

Research output: Contribution to journalArticlepeer-review


Our analysis shows that if an electromagnetic field excites a coherent superposition of states of two different types of atoms, then the results of a collision of those two atoms can be quite different from the usual dephasing that a coherently excited atom suffers upon collision with another atom. We present the concept of "two-atom" coherence as one feature of this interaction where the field of a given wavelength may interact with the system coherently over a wide range of internuclear distances.

Original languageEnglish (US)
Pages (from-to)1907-1913
Number of pages7
JournalPhysical Review A
Issue number4
StatePublished - 1984

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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