Temperature dependent scattering of composite fermions

W. Kang, Song He, H. L. Stormer, L. N. Pfeiffer, K. W. Baldwin, K. W. West

Research output: Contribution to journalArticlepeer-review

52 Scopus citations


We have studied the temperature dependent resistivity at exactly half Landau level filling of a high-quality two-dimensional electron system in high magnetic field. The experimental data can be well described in terms of a standard degenerate system of fermions at zero magnetic field being scattered by impurities and acoustic phonons. The gauge-field-mediated phonon scattering contributes a T-3 dependence to the composite fermion mobility. The effective mass of composite fermions is obtained from the temperature dependence of composite fermion-impurity scattering.

Original languageEnglish (US)
Pages (from-to)4106-4109
Number of pages4
JournalPhysical review letters
Issue number22
StatePublished - 1995
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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