Dynamics of Two Overlapping Spin Ensembles Interacting by Spin Exchange

T. W. Kornack, M. V. Romalis

Research output: Contribution to journalArticlepeer-review

169 Scopus citations


We describe linear and nonlinear dynamics of spin-polarized K and [Formula presented] ensembles interacting by spin exchange. The interactions are dominated by the imaginary part of the spin-exchange cross section and each spin species is primarily affected by the average magnetization of the other. Operating in a very low magnetic field we demonstrate novel dynamics when the electron and nuclear spin precession frequencies are nearly matched. We observe transverse damping as well as a dynamic instability of the [Formula presented] spins interacting with polarized K vapor. We also demonstrate operation as a self-compensating comagnetometer, useful for tests of [Formula presented] violation and other precision measurements.

Original languageEnglish (US)
JournalPhysical review letters
Issue number25
StatePublished - 2002

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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