Abstract
For the first time, magnetically induced (MI) transitions of the D2 line of the 39K atom in an external magnetic field of 10–600G using circularly polarized radiation σ + and σ – have been investigated. According to the selection rules in a zero magnetic field, transitions between sublevels of the ground and excited levels of the hyperfine structure with Fe - Fg = delta F = ± 2 are prohibited, while in the magnetic field there is a giant increase in their probabilities. For MI transitions, Fg = 1-> Fe = 3(delta F = +2) the highest probability is achieved when using σ+ radiation, and for Fg = 2->Fe = 0 the highest probability is achieved when using σ- radiation. For the atomic transitions spectral separation the process of selective reflection of laser radiation from nanocell, filled with potassium atoms is used. This which allowed us to study the behavior of the MI transitions. The experiment well consistent with the theory.
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