Skyrmions and edge spin excitations in quantum Hall droplets

Details Skyrmions and edge spin excitations in quantum Hall droplets Skyrmions and edge spin excitations in quantum Hall droplets

1995-10-16

arxiv.org/abs/cond-mat/9510086v1

Physics

Condensed Matter

RevTeX, four postscript figures appended

Scientific paper

10.1103/PhysRevB.54.16850

We present an analysis of spin-textures in Quantum Hall droplets, for filling factors $\nu \simeq 1$. Analytical wavefunctions with well defined quantum numbers are given for the low-lying states of the system which result to be either bulk skyrmions or edge spin excitations. We compute dispersion relations and study how skyrmions become ground states of the Quantum Hall droplet at $\nu \gtrsim 1$. A Hartree-Fock approximation is recovered and discussed for those spin textures.

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