E. Benjacob et al., INTEGER AND FRACTIONAL CHARGE SOLITONS IN MODULATED STRIPS IN THE FRACTIONAL QUANTUM HALL REGIME, Physical review. B, Condensed matter, 55(4), 1997, pp. 2401-2405
We study solitonic excitations in two kinds of samples in the fraction
al quantum Hall effect regime. One is a strip modulated by a one-dimen
sional array of gates; the other is constructed 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 in both th
e dissipative and the inertial limits.