Synchronized and Desynchronized Phases of Exciton-Polariton Condensates in the Presence of Disorder
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We have performed spectral interferometry with Rayleigh scattered light coming from a single speckle and emitted after resonant creation of excitons in GaAs quantum wells:: The experiment confirms the coherence of the secondary emission at early times, reg ...
The kinetics of amorphization and disordering processes in NiAl and Ni3Al induced by collision cascades have been investigated by means of molecular dynamic (MD) computer simulations, It has been shown previously (Spaczer el at. [Phys. Rev. B 52, 7171 (199 ...
The influence of static disorder on the optical properties of microcavity-embedded quantum wells is studied by means of a microscopic model. Both the exciton-photon coupling and the exciton-disorder interaction are treated nonperturbatively. Despite the no ...
The most important features of the physics of microcavity-embedded quantum wells are reviewed, with particular attention to the optical properties of exciton polaritons. The strong coupling regime, in which a finite polariton mode splitting appears (also c ...
Summary form only given. Radiative coupling between one or more quantum wells (QWs) and the single-cavity mode of a moderate reflectivity semiconductor microcavity leads to normal-mode coupling (NMC), observed as a doubled-peaked spectrum in reflection, tr ...
1998 Technical Digest Series Vol.7 (IEEE Cat. No.98CH36236). Opt. Soc. America Washington DC USA1998
The interplay of disorder effects and exciton-exciton interactions in the four-wave-mixing process in quantum wells is investigated. Experiments are performed employing femtosecond and picosecond pulses to have either good temporal or good spectral resolut ...
Superconductivity in high-Tc cuprates is particularly sensitive to disorder due to the unconventional d-wave pairing symmetry. We investigated effects of disorder on the spectral properties of Bi2Sr2CaCu2O8+ ...
We briefly summarize well established and the latest experimental results concerning the doping dependence of the so-called pseudogap (T*) and emphasize that surface related techniques, like ARPES or tunneling, give somewhat higher value of T* as compared ...
We have irradiated by thermal neutrons single crystals of the Bi-2212 high T-c superconductor. The irradiated samples are insulators, but they regain high T-c superconductivity after an annealing in He at 450-550 degrees C. Depending on irradiation doses a ...
Molecular-dynamics (MD) computer simulations on three intermetallic compounds, NiAl, Ni3Al, and Cu3Au have been performed to investigate the kinetics of the disordering and amorphization processes. These systems were chosen because the embedded atom-type p ...