Phys. Rev. B 55, 10671–10680 (1997)Hartree-Fock theory of Skyrmions in quantum Hall ferromagnetsReceived 23 December 1996; published in the issue dated 15 April 1997 We report on a study of the charged-Skyrmion or spin-texture excitations which occur in quantum Hall ferromagnets near odd Landau-level filling factors. Particle-hole symmetry is used to relate the spin-quantum numbers of charged particle and hole excitations and neutral particle-hole pair excitations. Hartree-Fock theory is used to provide quantitative estimates of the energies of these excitations and their dependence on Zeeman coupling strength, Landau-level quantum numbers, and the thicknesses of the two-dimensional electron layers. For the case of ν near three we suggest the possibility of first-order phase transitions with increasing Zeeman coupling strength from a many-Skyrmion state to one with many maximally spin-polarized quasiparticles. © 1997 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.55.10671
DOI:
10.1103/PhysRevB.55.10671
PACS:
73.40.Hm
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