Lecture Andrey A. Leonov
|24 February 2012||FWN-Building 5113.0201, Nijenborgh 4, 9747 AG, Groningen|
|Speaker:||Dr. Andrey A. Leonov|
|Affiliation:||IFW Dresden, Germany|
|Title:||Phenomenological theory of Skyrmion states in chiral magnets|
|Date:||Fri Feb 24, 2012|
|Telephone:||+31 50 363 3419|
Chiral Skyrmions – tubular two-dimensional static topological solitons with a fixed sense of magnetization rotation – were predicted to exist in a large group of non-centrosymmetric helimagnets more than twenty years ago . Recently these extraordinary magnetic states (isolated and bound into hexagonal lattices) have been microscopically observed in thin layers of cubic helimagnets, (Fe,Co)Si and FeGe, in a broad range of temperatures and magnetic fields . In this talk I review earlier theoretical findings  and recent results  on main properties of chiral Skyrmions, elucidate their physical nature, and analyse experimental results on temperature- and magnetic-field-driven evolution of Skyrmions in chiral helimagnets .
 A N. Bogdanov, A.D. Yablonsky, Sov. Phys. JETP 68, 101 (1989).
 X.Z. Yu et al. Nature 465, 901 (2010), Nature Mater. 10, 106 (2011).
 U.K. Roessler, A.A. Leonov, A.N. Bogdanov, J. of Phys.: Conf. Ser. 303, 012105 (2011).
|Last modified:||22 October 2012 2.30 p.m.|