Skyrmions in Higher Landau Levels

Details Skyrmions in Higher Landau Levels Skyrmions in Higher Landau Levels

1995-02-27

arxiv.org/abs/cond-mat/9502111v1

Physics

Condensed Matter

10 pages, RevTex

Scientific paper

10.1103/PhysRevB.51.14725

We calculate the energies of quasiparticles with large numbers of reversed spins (``skyrmions'') for odd integer filling factors 2k+1, k is greater than or equals 1. We find, in contrast with the known result for filling factor equals 1 (k = 0), that these quasiparticles always have higher energy than the fully polarized ones and hence are not the low energy charged excitations, even at small Zeeman energies. It follows that skyrmions are the relevant quasiparticles only at filling factors 1, 1/3 and 1/5.

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