Two pitchfork bifurcations in the polar quadratic Zeeman-Stark effect

  1. Salas, J.P. 1
  2. Deprit, A. 4
  3. Ferrer, S. 3
  4. Lanchares, V. 1
  5. Palacián, J. 2
  1. 1 Universidad de La Rioja
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    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

  2. 2 Universidad Pública de Navarra
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    Universidad Pública de Navarra

    Pamplona, España

    ROR https://ror.org/02z0cah89

  3. 3 Universidad de Murcia
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    Universidad de Murcia

    Murcia, España

    ROR https://ror.org/03p3aeb86

  4. 4 National Institute of Standards and Technology
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    National Institute of Standards and Technology

    Gaithersburg, Estados Unidos

    ROR https://ror.org/05xpvk416

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Revista:
Physics Letters, Section A: General, Atomic and Solid State Physics

ISSN: 0375-9601

Año de publicación: 1998

Volumen: 242

Número: 1-2

Páginas: 83-93

Tipo: Artículo

DOI: 10.1016/S0375-9601(98)00116-9 SCOPUS: 2-s2.0-0002400946 WoS: WOS:000073713600014 GOOGLE SCHOLAR

Otras publicaciones en: Physics Letters, Section A: General, Atomic and Solid State Physics

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Resumen

In the framework of classical mechanics, a study of the hydrogen atom in the presence of parallel electric and magnetic fields is presented when the magnetic quantum number m is zero. By means of perturbation methods and Poincaré surfaces of section, the existence of the three states experimentally detected by Cacciani et al. (the so-called I, II, and III Cacciani's states), their energy extensions, their evolution and their disappearance are explained as a result of two pitchfork bifurcations. © 1998 Elsevier Science B.V.