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Bulletin of the American Physical Society

Search for collisional exchange of ground-state atomic alignment between rubidium isotopes

Eric J. Bahr, Derek F. Jackson Kimball, B. Coste, S. A. Rangwala, James Higbie, M. P. Ledbetter, Simon Rochester, Valeriy V. Yashchuk, Dmitry Budker

Published May 21, 2009• 0 citations
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Complex spin-exchange cross sections are calculated on the basis of the data on the singlet (X 1Σ+) and triplet (a 3Σ+) potentials describing the interaction of isotopes of Rb alkali-metal atoms in the ground state. The cross sections calculated in this study are compared with the cross-section data obtained earlier with the model interaction potentials. The cross-section values allow one to calculate the processes of polarization transfer and the relaxation times, as well as the magnetic resonance frequency shifts caused by the Rb‒Rb spin-exchange collisions.