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Paper   IPM / Physic / 6755
School of Physics
  Title:   Massive Skyrmions in Quantum Hall Ferromagnets
  Author(s): 
1.  M. Abolfath
2.  K. Mullen
3.  H.T.C. Stoof
  Status:   Published
  Journal: Phys. Rev. B
  No.:  48
  Vol.:  63
  Year:  2001
  Pages:   075315
  Supported by:  IPM
  Abstract:
We apply the theory of elasticity to study the effects of skyrmion mass on lattice dynamics in quantum Hall systems. We find that massive Skyrme lattices behave like a Wigner crystal in the presence of a uniform perpendicular magnetic field. We make a comparison with the microscopic Hartree-Fock results to characterize the mass of quantum Hall skyrmions at ν = 1 and investigate how the low temperature phase of Skyrme lattices may be affected by the skyrmion mass.

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