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DY: Dynamik und Statistische Physik

DY 13: Quantum Chaos

DY 13.5: Talk

Friday, March 4, 2005, 15:15–15:30, TU H2032

A universal ionization threshold for strongly driven Rydberg states — •Andreas Buchleitner and Andreas Krug — Max-Planck-Institut für Physik komplexer Systeme, D-01187 Dresden

We observe a universal ionization threshold for microwave driven one-electron Rydberg states of H, Li, Na, and Rb, in an ab initio numerical treatment without adjustable parameters. This sheds new light on old experimental data, and widens the scene for Anderson localization in light matter interaction. Recent experimental observations [1] confirm our predictions [2]. [1] H. Maeda and T.F. Gallagher, Phys. Rev. Lett. 93, 193002 (2004) [2] A. Krug and A. Buchleitner, quant-phys/0404117