Frictional drag between two dilute two-dimensional hole layers.
作者信息
Pillarisetty R, Noh Hwayong, Tsui D C, De Poortere E P, Tutuc E, Shayegan M
机构信息
Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544, USA.
出版信息
Phys Rev Lett. 2002 Jul 1;89(1):016805. doi: 10.1103/PhysRevLett.89.016805. Epub 2002 Jun 17.
Abstract
We report drag measurements on dilute double layer two-dimensional hole systems in the regime of r(s) = 19-39. We observed a strong enhancement of the drag over the simple Boltzmann calculations of Coulomb interaction, and deviations from the T2 dependence which cannot be explained by phonon-mediated, plasmon-enhanced, or disorder-related processes. We suggest that this deviation results from interaction effects in the dilute regime.
摘要
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