Skyrmions in Higher Landau Levels
classification
❄️ cond-mat
keywords
fillingquasiparticlesskyrmionsenergiesenergyequalsfactorshigher
read the original abstract
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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