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Authors: Wunner, Günter
Woelk, Ulrich
Zech, Ingrid
Zeller, Gudrun
Ertl, Thomas
Geyer, Florian
Schweizer, Wolfgang
Ruder, Hanns
Title: Rydberg atoms in uniform magnetic fields: uncovering the transition from regularity to irregularity in a quantum system
Issue Date: 1986 Zeitschriftenartikel Physical review letters 57 (1986), S. 3261-3264. URL
Abstract: We investigate the eigenvalue spectra of hydrogen Rydberg atoms in strong magnetic fields for manifestations of quantum stochasticity and find (i) a smooth transition from a Poisson-type to a Wigner-type distribution of level spacings in the range of energy where classical motion becomes increasingly chaotic, (ii) the occurrence of multiple avoided crossings, and (iii) connected with this, an extreme sensitivity of oscillator strengths, and thus of observable spectra, with respect to small variations of an external parameter, viz., the magnetic field strength.
Appears in Collections:15 Fakultätsübergreifend / Sonstige Einrichtung

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