Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Griesbeck, M."'
Autor:
Voelkl, R., Schwemmer, M., Griesbeck, M., Tarasenko, S. A., Schuh, D., Wegscheider, W., Schueller, C., Korn, T.
We study the optically induced spin polarization, spin dephasing and diffusion in several high-mobility two-dimensional electron systems, which are embedded in GaAs quantum wells grown on (110)-oriented substrates. The experimental techniques compris
Externí odkaz:
http://arxiv.org/abs/1310.7345
Autor:
Korzekwa, K., Gradl, C., Kugler, M., Furthmeier, S., Griesbeck, M., Hirmer, M., Schuh, D., Wegscheider, W., Kuhn, T., Schüller, C., Korn, T., Machnikowski, P.
Publikováno v:
Phys. Rev. B 88, 155303 (2013)
We develop a theoretical description of the spin dynamics of resident holes in a p-doped semiconductor quantum well (QW) subject to a magnetic field tilted from the Voigt geometry. We find the expressions for the signals measured in time-resolved Far
Externí odkaz:
http://arxiv.org/abs/1306.6363
Autor:
Griesbeck, M., Glazov, M. M., Sherman, E. Ya., Schuh, D., Wegscheider, W., Schüller, C., Korn, T.
We have studied spin dephasing in a high-mobility two-dimensional electron system (2DES), confined in a GaAs/AlGaAs quantum well grown in the [110] direction, using the resonant spin amplification (RSA) technique. From the characteristic shape of the
Externí odkaz:
http://arxiv.org/abs/1111.5438
Autor:
Völkl, R., Griesbeck, M., Tarasenko, S. A., Schuh, D., Wegscheider, W., Schüller, C., Korn, T.
Publikováno v:
Phys. Rev. B, 83, 241306(R) (2011)
We have studied spin dephasing and spin diffusion in a high-mobility two-dimensional electron system, embedded in a GaAs/AlGaAs quantum well grown in the [110] direction, by a two-beam Hanle experiment. For very low excitation density, we observe spi
Externí odkaz:
http://arxiv.org/abs/1105.2739
Autor:
Kugler, M., Korzekwa, K., Machnikowski, P., Gradl, C., Furthmeier, S., Griesbeck, M., Hirmer, M., Schuh, D., Wegscheider, W., Kuhn, T., Schüller, C., Korn, T.
Publikováno v:
Phys. Rev. B 84, 085327 (2011)
We investigate spin dynamics of resident holes in a p-modulation-doped GaAs/Al$_{0.3}$Ga$_{0.7}$As single quantum well. Time-resolved Faraday and Kerr rotation, as well as resonant spin amplification, are utilized in our study. We observe that nonres
Externí odkaz:
http://arxiv.org/abs/1105.1338
Autor:
Lechner, V., Golub, L. E., Lomakina, F., Bel'kov, V. V., Olbrich, P., Stachel, S., Caspers, I., Griesbeck, M., Kugler, M., Hirmer, M. J., Korn, T., Schüller, C., Schuh, D., Wegscheider, W., Ganichev, S. D.
We report on the study of the linear and circular magneto-gyrotropic photogalvanic effect (MPGE) in GaAs/AlGaAs quantum well structures. Using the fact that in such structures the Land\'e-factor g* depends on the quantum well (QW) width and has diffe
Externí odkaz:
http://arxiv.org/abs/1011.4433
Autor:
Griesbeck, M., Glazov, M. M., Korn, T., Sherman, E. Ya., Waller, D., Reichl, C., Schuh, D., Wegscheider, W., Schüller, C.
Publikováno v:
Phys. Rev. B 80, 241314(R) (2009)
We investigate the spin dynamics of high-mobility two-dimensional electrons in GaAs/AlGaAs quantum wells grown along the $[001]$ and $[110]$ directions by time-resolved Faraday rotation at low temperatures. In measurements on the $(001)$-grown struct
Externí odkaz:
http://arxiv.org/abs/0910.2847
Autor:
Korn, T., Kugler, M., Griesbeck, M., Schulz, R., Wagner, A., Kubová, M., Gerl, C., Schuh, D., Wegscheider, W., Schüller, C.
For the realisation of scalable solid-state quantum-bit systems, spins in semiconductor quantum dots are promising candidates. A key requirement for quantum logic operations is a sufficiently long coherence time of the spin system. Recently, hole spi
Externí odkaz:
http://arxiv.org/abs/0909.3711
Publikováno v:
Retrovirology, Vol 9, Iss Suppl 2, p P176 (2012)
Externí odkaz:
https://doaj.org/article/b6ad385353684459ab98bf750d538760
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