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Effects of spin-exchange collisions in a high-density alkali-metal vapor in low magnetic fields
2005
Physical Review A. Atomic, Molecular, and Optical Physics
Spin-exchange collisions often play a dominant role in the broadening of Zeeman resonances in an alkalimetal vapor. Contrary to intuitive expectations, at high alkali-metal densities this broadening can be completely eliminated by operating in a low magnetic field, allowing construction of ultrasensitive atomic magnetometers. We describe a detailed study of the Zeeman resonance frequencies and linewidths as a function of the magnetic field, alkali-metal density, and the degree of spin
doi:10.1103/physreva.71.023405
fatcat:esfqvduwv5c6nexaiaeodhfgfa