Title :
Terahertz signatures of plasmons in a two-dimensional electron gas
Author :
Grunwald, T. ; Chatterjee, S. ; Pierz, K. ; Golde, D. ; Kira, M. ; Koch, S.W.
Author_Institution :
Fac. of Phys. & Mater. Sci. Center, Philipps-Univ. Marburg, Marburg, Germany
Abstract :
A finite density-dependent plasmon pole is observed in the inverse dielectric response function of a two-dimensional electron gas by THz-spectroscopy. A microscopic many-body theory explains the experimental results.
Keywords :
many-body problems; plasmons; terahertz spectroscopy; two-dimensional electron gas; 2D electron gas; THz spectroscopy; dependent plasmon pole; finite density; inverse dielectric response function; many-body theory; terahertz signatures; Dielectrics; Electrons; Frequency; Plasma density; Plasma displays; Plasma measurements; Plasma properties; Plasma waves; Plasmons; Voltage; (300.6470) Spectroscopy, semiconductors; (300.6495) Spectroscopy, terahertz;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
