Phys. Rev. Lett. 86, 2269 - 2272 (2001)Driven Rydberg Atoms Reveal Quartic Level Repulsion |
PRL Celebrates 50 Years
This Week's Milestone Letters are from 1984: |
Krzysztof Sacha1,2 and Jakub Zakrzewski2
1Fachbereich Physik, Universität Marburg, Renthof 6, D-35032 Marburg, Germany
2Instytut Fizyki imienia Mariana Smoluchowskiego, Uniwersytet Jagielloński, Reymonta 4, PL-30-059 Kraków, Poland
Received 2 August 2000
The dynamics of Rydberg states of a hydrogen atom subjected simultaneously to uniform static electric field and two microwave fields with commensurate frequencies is considered in the range of small field amplitudes. In the certain range of the parameters of the system the classical secular motion of the electronic ellipse reveals chaotic behavior. Quantum mechanically, when the fine structure of the atom is taken into account, the energy level statistics obey predictions appropriate for the symplectic Gaussian random matrix ensemble.
©2001 The American Physical Society
URL: http://link.aps.org/abstract/PRL/v86/p2269
DOI: 10.1103/PhysRevLett.86.2269
PACS: 05.45.Mt, 32.80.Rm, 42.50.Hz
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