TY - JOUR
T1 - Nonlinear elimination of spin-exchange relaxation of high magnetic moments
AU - Katz, Or
AU - Dikopoltsev, Mark
AU - Peleg, Or
AU - Shuker, Moshe
AU - Steinhauer, Jeff
AU - Katz, Nadav
PY - 2013/6/26
Y1 - 2013/6/26
N2 - Relaxation of the Larmor magnetic moment by spin-exchange collisions has been shown to diminish for high alkali densities, resulting from the linear part of the collisional interaction. In contrast, we demonstrate both experimentally and theoretically the elimination of spin-exchange relaxation of high magnetic moments (birefringence) in alkali vapor. This elimination originates from the nonlinear part of the spin-exchange interaction, as a scattering process of the Larmor magnetic moment. We find counterintuitively that the threshold magnetic field is the same as in the Larmor case, despite the fact that the precession frequency is twice as large.
AB - Relaxation of the Larmor magnetic moment by spin-exchange collisions has been shown to diminish for high alkali densities, resulting from the linear part of the collisional interaction. In contrast, we demonstrate both experimentally and theoretically the elimination of spin-exchange relaxation of high magnetic moments (birefringence) in alkali vapor. This elimination originates from the nonlinear part of the spin-exchange interaction, as a scattering process of the Larmor magnetic moment. We find counterintuitively that the threshold magnetic field is the same as in the Larmor case, despite the fact that the precession frequency is twice as large.
UR - http://www.scopus.com/inward/record.url?scp=84879468442&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.110.263004
DO - 10.1103/PhysRevLett.110.263004
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AN - SCOPUS:84879468442
SN - 0031-9007
VL - 110
JO - Physical Review Letters
JF - Physical Review Letters
IS - 26
M1 - 263004
ER -