Integer and fractional charge solitons in modulated strips in the fractional quantum Hall regime

Details Integer and fractional charge solitons in modulated strips in the fractional quantum Hall regime Integer and fractional charge solitons in modulated strips in the fractional quantum Hall regime

1996-09-26

arxiv.org/abs/cond-mat/9609251v1

Physics

Condensed Matter

12 pages, LaTex, 2 postscript figures, submitted to Phys. Rev. B

Scientific paper

10.1103/PhysRevB.55.2401

We propose the existence and study the solitonic excitations in two kinds of samples in the fractional quantum Hall regime. One is a strip modulated by a one-dimensional array of gates. The other is made of two parallel strips coupled by a one-dimensional array of tunnel barriers. We predict the existence of integer charge solitons in the first case, and fractional charge solitons in the second case. We study the two cases both in the dissipative and in the inertial limits.

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