Acoustic measurements of the stripe and the bubble quantum Hall phase

We launch surface acoustic waves (SAW) along both the $\langle 110\rangle $ and the $\langle 1\bar{1}0\rangle $ directions of a Hall bar and measure the anisotropic conductivity in a high purity GaAs two-dimensional electron system in the quantum Hall regime of the stripe and the bubble phases. In t...

Full description

Bibliographic Details

Published in:	New Journal of Physics
Main Authors:	M E Msall, W Dietsche
Format:	Article
Language:	English
Published:	IOP Publishing 2015-01-01
Subjects:	quantum Hall effect surface acoustic waves collective excitations piezoelectric and acoustoelectric effects 73.43.-f 73.43.Lp
Online Access:	https://doi.org/10.1088/1367-2630/17/4/043042