Frictional drag between two dilute two-dimensional hole layers |
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| Authors: | Pillarisetty R Noh Hwayong Tsui D C De Poortere E P Tutuc E Shayegan M |
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| Affiliation: | Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544, USA. |
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| 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. |
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