Dynamics of a Rydberg hydrogen atom near a metal surface in the electron-extraction scheme

  1. Iñarrea, M. 1
  2. Lanchares, V. 1
  3. Palacián, J. 2
  4. Pascual, A.I. 1
  5. Salas, J.P. 1
  6. Yanguas, P. 2
  1. 1 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

  2. 2 Universidad Pública de Navarra
    info

    Universidad Pública de Navarra

    Pamplona, España

    ROR https://ror.org/02z0cah89

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

ISSN: 0375-9601

Argitalpen urtea: 2015

Alea: 379

Zenbakia: 3

Orrialdeak: 131-136

Mota: Artikulua

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DOI: 10.1016/J.PHYSLETA.2014.11.004 SCOPUS: 2-s2.0-84913555063 WoS: WOS:000348016000012 GOOGLE SCHOLAR

Beste argitalpen batzuk: Physics Letters, Section A: General, Atomic and Solid State Physics

Garapen Iraunkorreko Helburuak

Lotura duten proiektuak

Formas normales en sistemas dinámicos hamiltonianos: aplicaciones en Física y Química

2012/00015/001

Laburpena

We study the classical dynamics of a Rydberg hydrogen atom near a metal surface in the presence of a constant electric field in the electron-extraction situation [1], e.g., when the field attracts the electron to the vacuum. From a dynamical point of view, this field configuration provides a dynamics richer than in the usual ion-extraction scheme, because, depending on the values of field and the atom-surface distance, the atom can be ionized only towards the metal surface, only to the vacuum or to the both sides. The evolution of the phase space structure as a function of the atom-surface distance is explored in the bound regime of the atom. In the high energy regime, the ionization mechanism is also investigated. We find that the classical results of this work are in good agreement with the results obtained in the wave-packet propagation study carried out by So et al. [1].