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Correlation effects in the ultrafast dynamics of the Quantum Hall system close to v = 1
Author(s) -
Kavousanaki E. G.,
Dani K. M.,
Tig J.,
Chemla D. S.,
Perakis I. E.
Publication year - 2006
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.200668076
Subject(s) - ultrashort pulse , quantum hall effect , physics , fermi gas , condensed matter physics , pulse (music) , mixing (physics) , transient (computer programming) , electron , quantum , quantum mechanics , dynamics (music) , laser , voltage , computer science , acoustics , operating system
We present a many‐body theory of the non‐linear optical response of the Quantum Hall system. This theory describes the role of the cold, strongly correlated, two‐dimensional electron gas (2DEG) in the ultrafast dynamics. We discuss the manifestations of intraband and interband coherences induced by the collective 2DEG excitations in the coupled photocarrier–Quantum Hall system. We compare to transient three‐pulse four‐wave‐mixing experiments. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)