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Competing charge density waves probed by non-linear transport and noise in the second and third Landau levels

Publication Type : Conference Proceedings

Source : Physical Review Letters, 2018

Url : https://arxiv.org/abs/1711.09143

Campus : Amritapuri

School : School of Arts and Sciences, School of Physical Sciences

Year : 2018

Abstract : Charge density waves (CDW) in the second and third Landau levels (LL) are investigated by both non-linear electronic transport and noise. The use of a Corbino geometry ensures that only bulk properties are probed, with no contribution from edge states. Sliding transport of CDWs is revealed by narrow band noise in re-entrant quantum Hall states R2a and R2c of the second LL as well as in pinned CDWs of the third LL. Competition between various phases - stripe, pinned CDW or fractional quantum Hall liquid - in both LL are clearly revealed by combining noise data with maps of conductivity versus magnetic field and bias voltage.

Cite this Research Publication : Bennaceur K., Lupien C., Reulet B., Gervais G., Pfeiffer L.N., West K.W. Competing Charge Density Waves Probed by Nonlinear Transport and Noise in the Second and Third Landau Levels, Physical Review Letters 120 13 10.1103/PhysRevLett.120.136801 American Physical Society 319007 Q1 8.93, 2018

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