Nonlinear Zeeman effect in photoassociation spectra of 40Ca near the 3P1+1S0 asymptote
Abstract
We present calculations of the Zeeman effect of narrow photoassociation lines of 40Ca near the 3P1 + 1S0 asymptote. Using a coupled-channel model we find a nonlinear Zeeman effect that even at low fields of a few mT amounts to several kHz. With this model we analyze previous measurements and give corrected long range dispersion coefficients of the 3u and 3+ u states.
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