Title :
Transient exchange interaction in a helical antiferromagnet
Author :
Langner, M.C. ; Roy, S. ; Kemper, A.F. ; Chuang, Y.-D. ; Misra, S.K. ; Versteeg, R.B. ; Zhu, Y. ; Hertlein, M.P. ; Glover, T.E. ; Dumesnil, K. ; Schoenlein, R.W.
Author_Institution :
Mater. Sci. Div., Lawrence Berkeley Nat. Lab., Berkeley, CA, USA
Abstract :
We measure dynamics of the helical ordering in the Lanthanide metal Dy resulting from transient changes in the conduction electron Fermi surface and subsequent scattering events that transfer the excitation to the core spin.
Keywords :
Fermi surface; antiferromagnetic materials; dysprosium; exchange interactions (electron); Dy; conduction electron Fermi surface; core spin; helical antiferromagnet; helical ordering dynamics; lanthanide metal; scattering events; transient exchange interaction; Couplings; Diffraction; Elementary particle exchange interactions; Magnetic cores; Magnetic resonance; Optical surface waves; Scattering;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
