Thursday, July 11, 2013

1307.2596 (A. T. Dellis et al.)

Spin Noise Exchange in Coupled Alkali-Metal Vapors    [PDF]

A. T. Dellis, M. Loulakis, I. K. Kominis
The physics of spin exchange collisions has fueled a large number of discoveries in fundamental physics, chemistry and biology, and has led to several applications in medical imaging and nuclear magnetic resonance. We here report on the experimental observation and theoretical justification of a novel effect, the transfer of spin noise from one atomic species to another, through the mechanism of spin exchange. Essentially, we extend the foundational studies of spin exchange into the deeper layer of quantum fluctuations. The signature of spin noise exchange is an increase of the total spin noise power at low magnetic fields where the two-species spin noise resonances overlap.
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