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Physical Review Letters
Paper

Coherent Transient Study of Velocity-Changing Collisions

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Abstract

The effect of velocity-changing collisions on the optical phase memory of coherently prepared molecular gas samples is examined by the method of Stark-pulse switching. Experiments are interpreted through the solution of a transport equation, which extends the earlier Fokker-Planck description known both in NMR and in Dicke line narrowing. The magnitude of a characteristic velocity jump for binary molecular collisions and its cross section are thereby obtained. © 1973 The American Physical Society.

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Physical Review Letters

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