Titlebook: Advances in Solid State Physics; Bernhard Kramer Book 2001 Springer-Verlag Berlin Heidelberg 2001 Condensed matter physics.FEM.Helium-Atom

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Apraxia

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Ablation

Spectroscopy on Single Dots — Monitoring Carrier Interaction with the Environmentied to manipulate the orbital and the spin part of the eigenstates, respectively. We extract the g-factor, the polarizability and the spin coherence time of a single exciton in a quantum dot. Vice versa, the emission spectrum of single electron-hole pairs is used to monitor statistical fluctuations

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Optical Spectroscopy on Single Quantum Dots: Charged Excitonsmplexes have been investigated in quantum dots by power dependent photoluminescence spectroscopy. The experimental preparation of specific charged exciton states in a single quantum dot can be realized by bias controlled single electron charging and can be probed by optical spectroscopy. With respec

Intend

Long-Wavelength Buried-Tunnel-Junction Vertical-Cavity Surface-Emitting Lasersel-junction structure on the InGaAlAs-InP material system. With this technique very small thermal and electrical resistances can be achieved enabling the continuous-wave operation up to 90° C. Record stationary parameters have been demonstrated, such as sub-mA threshold currents, low electrical resi

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Photon Echo Experiments on Electron-Plasmon Quantum Kinetics in GaAsble to investigate the duration of scattering events, i.e. the regime of quantum kinetics. This timescale is different from the well-known scattering time. The dynamics of this seemingly complicated many-body system can be understood within a simple and intuitive picture, that of electron-plasmon sc

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Phonon and Coulomb Quantum Kinetics for Femtosecond Spectroscopyis ultra-short-time regime which is dominated by quantum coherence, quantum kinetics with its memory effects yields an excellent description of corresponding four wave mixing (FWM) and differential transmission spectroscopy (DTS) experiments. The essential features of carrier-phonon scattering and t

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Quantum Kinetic Effects in Semiconductors Studied via Femtosecond Transmission Measurementsre reviewed. The weak coupling regime is represented by the emission of LO phonons by highly energetic electrons in GaAs: Energy conservation is found to be violated on a time scale shorter than the phonon oscillation period. As time proceeds, quantum kinetic memory effects drive the system towards

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