Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2007-06-13
Physica B 403, 1336 (2008)
Physics
Condensed Matter
Strongly Correlated Electrons
4 pages, 3 figures, to appear in the proceedings of SCES 07 (the international conference on strongly correlated electron syst
Scientific paper
10.1016/j.physb.2007.10.136
Under pressure, the itinerant helimagnet MnSi displays unusual magnetic properties. We have previously discussed a BCC helical spin crystal as a promising starting point for describing the high pressure phenomenology. This state has topologically nontrivial configurations of the magnetization field. Here we note the consequences for magneto-transport that arise generally from such spin textures. In particular a skyrmion density induced `topological' Hall effect, with unusual field dependence, is described.
Binz Benedikt
Vishwanath Ashvin
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