Coherent ultrafast dynamics in the quantum Hall effect regime Export

@article{citeulike:87777, abstract = {We review recent investigations of the femtosecond non-linear optical response of the two-dimensional electron gas (2DEG) in the quantum Hall effect regime. We find that the time and frequency profile of the four-wave-mixing non-linear optical spectrum is strongly influenced by Coulomb correlations between the photoexcited electron-hole pairs and the 2DEG collective excitations. We discuss experimental and theoretical results showing non-Markovian memory effects in the polarization dephasing, and an optically induced time-dependent coupling between the two lowest Landau level magnetoexcitons.}, author = {Perakis, I. and Chemla, D.}, citeulike-article-id = {87777}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/S0038-1098(03)00342-9}, citeulike-linkout-1 = {http://www.sciencedirect.com/science/article/B6TVW-48JSWRC-8/2/d5863d86f07fb3405e468a038350ea3c}, doi = {10.1016/S0038-1098(03)00342-9}, journal = {Solid State Communications}, keywords = {quantum-hall, quantum-well, ultrafast}, month = {July}, number = {2}, pages = {147--154}, posted-at = {2005-02-05 20:04:31}, priority = {2}, title = {Coherent ultrafast dynamics in the quantum Hall effect regime}, url = {http://dx.doi.org/10.1016/S0038-1098(03)00342-9}, volume = {127}, year = {2003} }

TY - JOUR ID - citeulike:87777 L3 - citeulike-article-id:87777 N2 - We review recent investigations of the femtosecond non-linear optical response of the two-dimensional electron gas (2DEG) in the quantum Hall effect regime. We find that the time and frequency profile of the four-wave-mixing non-linear optical spectrum is strongly influenced by Coulomb correlations between the photoexcited electron-hole pairs and the 2DEG collective excitations. We discuss experimental and theoretical results showing non-Markovian memory effects in the polarization dephasing, and an optically induced time-dependent coupling between the two lowest Landau level magnetoexcitons. IS - 2 JF - Solid State Communications EP - 154 TI - Coherent ultrafast dynamics in the quantum Hall effect regime VL - 127 SP - 147 KW - quantum-hall KW - quantum-well KW - ultrafast AU - Perakis, I AU - Chemla, D PY - 2003/07// UR - http://dx.doi.org/10.1016/S0038-1098(03)00342-9 ER -