Symmetry-breaking skyrmion states in fractional quantum Hall systems

Details Symmetry-breaking skyrmion states in fractional quantum Hall systems Symmetry-breaking skyrmion states in fractional quantum Hall systems

1996-08-15

arxiv.org/abs/cond-mat/9608064v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

There is conceptual change. To appear in Phys. Rev. B

Scientific paper

10.1103/PhysRevB.55.6735

We calculate in an analyical fashion the energies and net spins of skyrmions in fractional quantum Hall systems, based on the suggestion that skyrmion states are spontaneously $L_Z$ and $S_Z$ symmetry-breaking states. The quasihole-skyrmion state with a charge $-e/3$ around $\nu$ = 1/3, where the ground state is known as a spin-polarized ferromagnetic state, is found to exist even in high magnetic fields up to about 7 T for GaAs samples.

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