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Study of “forbidden” atomic transitions on D2 line using Rb nano-cell placed in external magnetic field

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Abstract

By experimental exploration of the so-called λ-Zeeman technique based on Rb nano-cell use we reveal for the first time a strong modification of the probabilities of 87Rb D2 line F g  = 1 → F e  = 0, 1, 2, 3 atomic transitions, including “forbidden” F g  = 1,m F  = 0 → F e  = 1, m F  = 0 and F g  = 1,m F  =  −1 → F e  = 3, m F  =  −1 transitions (these are “forbidden” transitions when B = 0) in a strong external magnetic field B in the range of 100−1100 G. For π-polarized exciting diode laser radiation (λ = 780 nm) these “forbidden” transitions at B > 150 G are among the strongest atomic transitions in the detected transmission spectra. The frequency shifts of the individual hyperfine transitions versus magnetic field are also presented: particularly, F g  = 1,m F  =  +1 → F e  = 1, m F  =  +1 atomic transition has a unique behavior, since its frequency remains practically unchanged when B varies from 100 to 1100 G. The developed theoretical model well describes the experiment.

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Authors and Affiliations

  1. Institute for Physical Research, NAS of Armenia, 0203, Ashtarak, Armenia

    G. Hakhumyan, R. Mirzoyan & D. Sarkisyan

  2. Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR CNRS 5209, Université de Bourgogne, Dijon Cedex, 21078, France

    G. Hakhumyan, C. Leroy, R. Mirzoyan & Y. Pashayan-Leroy

Authors
  1. G. Hakhumyan
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  2. C. Leroy
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  3. R. Mirzoyan
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  4. Y. Pashayan-Leroy
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  5. D. Sarkisyan
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Correspondence to Y. Pashayan-Leroy.

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Hakhumyan, G., Leroy, C., Mirzoyan, R. et al. Study of “forbidden” atomic transitions on D2 line using Rb nano-cell placed in external magnetic field. Eur. Phys. J. D 66, 119 (2012). https://doi.org/10.1140/epjd/e2012-20687-2

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  • DOI: https://doi.org/10.1140/epjd/e2012-20687-2

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