تقرير
Spin incoherent transport in density-modulated quantum wires
| العنوان: | Spin incoherent transport in density-modulated quantum wires |
|---|---|
| المؤلفون: | Liu, K. M., Lin, H. I., Umansky, V., Hsu, S. Y. |
| سنة النشر: | 2009 |
| المجموعة: | Condensed Matter |
| مصطلحات موضوعية: | Condensed Matter - Mesoscale and Nanoscale Physics |
| الوصف: | Density, temperature and magnetic field dependences on electron transport in a quantum wire were studied. Decrease of carrier density gives a negative conductance correction on the first plateau at low temperatures. The prominent and mysterious "0.7 structure" is more clearly resolved at low densities. The thermal behavior of the conductance follows the predictions of the spin-incoherent transport. The 0.7 structure at a low density drops to $e^2/h$ in a smaller in-plane magnetic field. The features are qualitatively consistent with the theoretical predictions and provide evidence for the existence of Wigner Crystal in low density quantum wires. Comment: 4 figures |
| نوع الوثيقة: | Working Paper |
| URL الوصول: | http://arxiv.org/abs/0903.5076 |
| رقم الأكسشن: | edsarx.0903.5076 |
| قاعدة البيانات: | arXiv |
| الوصف غير متاح. |