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MO: Molekülphysik

MO 25: Poster: Electronic Spectroscopy

MO 25.1: Poster

Dienstag, 14. März 2006, 16:30–18:30, Labsaal

Laser induced emission of the fully correlated electron pair from a quantum dot. — •Oleg Kidun and Dieter Bauer — Max-Planck-Institut fuer Kernphysik, Heidelberg,

The exactly solvable problems of two electrons coupled by the Coulomb interaction can be used as unique tests for any approximate theory that deals with few-body systems and related experiments [1,2]. We use the two-electron states of the parabolic potential well and the two-electron states in a strong electromagnetic field to calculate the time evolution of the emission probability of electron pairs. As an example, we compare the sequential double ionization, which is the conventional one-particle description of multielectron ejection, and the solution based on two-electron correlated states [3]. The entanglement and the conditions of separability of these correlated states are discussed.

[1] M. Taut, A.Ernst, H. Eschrig, J. Phys. B 31, 2689 (1998)

[2] D. Bauer, Phys. Rev. A 56, 3028 (1997)

[3] O. Kidun, N. Fominykh, J. Berakdar, J. Phys. B 36, 1 (2003)

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DPG-Physik > DPG-Verhandlungen > 2006 > Frankfurt