Abstract
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 language | English (US) |
|---|---|
| Pages (from-to) | 4106-4109 |
| Number of pages | 4 |
| Journal | Physical review letters |
| Volume | 75 |
| Issue number | 22 |
| DOIs | |
| State | Published - 1995 |
| Externally published | Yes |
All Science Journal Classification (ASJC) codes
- General Physics and Astronomy
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