Massive spin collective mode in a quantum Hall ferromagnet

Maniv, T.; Bychkov, Y. A.; Vagner, I. D.

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Massive spin collective mode in a quantum Hall ferromagnet

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Maniv, T.
High Magnetic Field Laboratory, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Bychkov, Y. A.
High Magnetic Field Laboratory, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Vagner, I. D.
High Magnetic Field Laboratory, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Maniv, T., Bychkov, Y. A., & Vagner, I. D. (2004). Massive spin collective mode in a quantum Hall ferromagnet. Physical Review B, 69(12): 121304.

Cite as: https://hdl.handle.net/21.11116/0000-000E-FB75-4

Abstract

It is shown that the collective spin rotation of a single Skyrmion in a
quantum Hall ferromagnet can be regarded as precession of the entire
spin texture in the external magnetic field, with an effective moment
of inertia which becomes infinite in the zero g-factor limit. This
low-lying spin excitation may dramatically enhance the nuclear spin
relaxation rate via the hyperfine interaction in the quantum well
slightly away from filling factor nu = 1.