Spin polarization dependence of the coulomb drag at large rs

R. Pillarisetty, Hwayong Noh, E. Tutuc, E. P. De Poortere, D. C. Tsui, M. Shayegan

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Abstract

We find that the temperature dependence of the drag resistivity between two dilute two-dimensional hole systems exhibits an unusual dependence upon spin polarization. Our main observation is that near the apparent metal-insulator transition, the temperature dependence of the drag, given by T α, weakens significantly with the application of a parallel magnetic field (B), with a saturating at half its zero field value for B > B*, where B* is the polarization field.

Original languageEnglish (US)
Article number016807
JournalPhysical review letters
Volume94
Issue number1
DOIs
StatePublished - Jan 14 2005

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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    Pillarisetty, R., Noh, H., Tutuc, E., De Poortere, E. P., Tsui, D. C., & Shayegan, M. (2005). Spin polarization dependence of the coulomb drag at large rs. Physical review letters, 94(1), [016807]. https://doi.org/10.1103/PhysRevLett.94.016807