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Model for dissipative conductance in fractional quantum hall states
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d’Ambrumenil, Nick, Halperin, B. and Morf, R.. (2011) Model for dissipative conductance in fractional quantum hall states. Physical Review Letters, Vol.106 (No.12). 126804 . ISSN 0031-9007
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.106.126804
Abstract
We present a model of dissipative transport in the fractional quantum Hall regime. Our model takes account of tunneling through saddle points in the effective potential for excitations created by impurities. We predict the temperature range over which activated behavior is observed and explain why this range nearly always corresponds to around a factor two in temperature in both integer quantum Hall and fractional quantum Hall systems. We identify the ratio of the gap observed in the activated behavior and the temperature of the inflection point in the Arrhenius plot as an important diagnostic for determining the importance of tunneling in real samples.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculty of Science > Physics |
| Journal or Publication Title: | Physical Review Letters |
| Publisher: | American Physical Society |
| ISSN: | 0031-9007 |
| Date: | 23 March 2011 |
| Volume: | Vol.106 |
| Number: | No.12 |
| Page Range: | 126804 |
| Identification Number: | 10.1103/PhysRevLett.106.126804 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Funder: | National Science Foundation (NSF) |
| Grant number: | DMR-0906475 (NSF) |
| URI: | http://wrap.warwick.ac.uk/id/eprint/41818 |
Data sourced from Thomson Reuters' Web of Knowledge
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