Spectral Flow and Vortex Dynamics in Superfluids, Superconductors and Ferromagnets
نویسنده
چکیده
We discuss the nondissipative Magnus-type force acting on linear defects in Fermi systems, such as Abrikosov vortices in superconductors, singular and continuous vortices in superfluid phases of He, magnetic vortices and skyrmions in ferromagnets. Spectral flow of fermion zero modes in the vortex core gives an essential contribution to the nondissipative force, which is confirmed in Manchester experiments on rotating He-B. The spectral flow effect is closely related to the angular momentum paradox. Contributed paper to the XXI International Conference on Low Temperature Physics, August 8-14, 1996.
منابع مشابه
Fermions on quantized vortices in superfluids and superconductors Lecture Notes Summer School on Condensed Matter Physics: Symmetry of the Order Parameter in High Temperature Superconductors
The bound states of fermions in cores of quantized vortices in superconductors and Fermi superfluids and their influence on the vortex dynamics are discussed. The role of the spectral flow of the fermions through the gap nodes is emphasized. [email protected]
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