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• "Analysis of classical motion on the Wannier ridge", Richter, Wintgen, 1990

  Publikation

  The authors study the classical electronic motion of a two-electron atom on the Wannier ridge. Stability properties of certain periodic orbits are...

  Publikation auf epub.uni-regensburg.de: "Analysis of classical motion on the Wannier ridge" (externer Link, öffnet neues Fenster)

• "Stable Planetary Atom Configurations", Richter, Wintgen, 1990

  Publikation

  A Comment on the Letter by Eichmann et al., Phys. Rev. Lett. 64, 274 (1990).

  Publikation auf epub.uni-regensburg.de: "Stable Planetary Atom Configurations" (externer Link, öffnet neues Fenster)

• "The nodal structure of doubly-excited resonant states of helium", Rost, Gersbacher, Richter, Briggs, Wintgen, 1991

  Publikation

  The authors examine the nodal structure of accurate helium wavefunctions calculated by direct diagonalization of the full six-dimensional problem....

  Publikation auf epub.uni-regensburg.de: "The nodal structure of doubly-excited resonant states of helium" (externer Link, öffnet neues Fenster)

• "Calculations of Planetary Atom States", Richter, Wintgen, 1991

  Publikation

  The authors prove the existence of a new type of resonance formation in highly doubly excited atoms and ions. The resonant states represent the ...

  Publikation auf epub.uni-regensburg.de: "Calculations of Planetary Atom States" (externer Link, öffnet neues Fenster)

• "Semiclassical Cycle Expansion for the Helium Atom", Ezra, Richter, Tanner, Wintgen, 1991

  Publikation

  The authors analyse the classical dynamics of near-collinear electron configurations in helium. The dynamics turns out to be fully chaotic. An ...

  Publikation auf epub.uni-regensburg.de: "Semiclassical Cycle Expansion for the Helium Atom" (externer Link, öffnet neues Fenster)

• "New State of Binding of Antiprotons in Atoms", Richter, Rost, Thürwächter, Briggs, Wintgen, Solov'ev, 1991

  Publikation

  It is suggested that there exists a novel ''molecular'' state of binding of antiprotons to atoms in which an excited highly polarized electron is...

  Publikation auf epub.uni-regensburg.de: "New State of Binding of Antiprotons in Atoms" (externer Link, öffnet neues Fenster)

• "Long-lived resonant states in Planetary atoms", Richter, Wintgen, 1992

  Publikation

  We report on a class of long-lived resonant states of doubly excited twoelectronatoms which exhibit distinct angular and radial electron...

  Publikation auf epub.uni-regensburg.de: "Long-lived resonant states in Planetary atoms" (externer Link, öffnet neues Fenster)

• "The semiclassical helium atom", Wintgen, Richter, Tanner, 1992

  Publikation

  Recent progress in the semiclassical description of two-electron atoms is reported herein. It is shown that the classical dynamics for the helium ...

  Publikation auf epub.uni-regensburg.de: "The semiclassical helium atom" (externer Link, öffnet neues Fenster)

• "Novel dynamical symmetries of asymmetrically doubly excited two-electron-atoms", Richter, Wintgen, Briggs, Solov'ev, 1992

  Publikation

  The authors study a new class of long-lived resonances of doubly excited two-electron atoms. The states are characterized by a highly polarized ...

  Publikation auf epub.uni-regensburg.de: "Novel dynamical symmetries of asymmetrically doubly excited two-electron-atoms" (externer Link, öffnet neues Fenster)

• "The semiclassical helium atom", Wintgen, Richter, Tanner, 1993

  Publikation

  Publikation auf epub.uni-regensburg.de: "The semiclassical helium atom" (externer Link, öffnet neues Fenster)