D’Ambrumenil, Nicholas, Halperin, B. and Morf, R. (2011) Model for dissipative conductance in fractional quantum hall states. Physical Review Letters, Vol.106 (No.12). 126804 . doi:10.1103/PhysRevLett.106.126804 ISSN 0031-9007.

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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, Engineering and Medicine > Science > Physics
Journal or Publication Title:	Physical Review Letters
Publisher:	American Physical Society
ISSN:	0031-9007
Official Date:	23 March 2011
Dates:	Date Event 23 March 2011 Published
Volume:	Vol.106
Number:	No.12
Page Range:	126804
DOI:	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)

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