Title :
Phase shift of spin waves traveling through a 180° Bloch domain wall
Author :
Bayer, C. ; Schultheiss, H. ; Hillebrands, B. ; Stamps, R.L.
Author_Institution :
Fachbereich Physik, Technische Univ. Kaiserslautern, Germany
Abstract :
An estimate of the phase shift of a spin waves was made. Torque equations can be constructed for spin-wave excitations traveling along the chain assuming a simple 180° domain wall along a chain of spins as a ground state. Whereas exact solutions for traveling and bound states can be obtained for this geometry, a WKB approximation provides a physically intuitive estimate of the phase shift introduced in the spin wave upon traversing the wall.
Keywords :
WKB calculations; ground states; magnetic domain walls; spin waves; Bloch domain wall; WKB approximation; bound states; exact solutions; ground state; phase shift; spin chain; spin wave excitation; torque equations; Anisotropic magnetoresistance; Australia; Equations; Magnetic domain walls; Magnetization; Phase estimation; Physics; Road transportation; Solitons; Stationary state;
Conference_Titel :
Magnetics Conference, 2005. INTERMAG Asia 2005. Digests of the IEEE International
Print_ISBN :
0-7803-9009-1
DOI :
10.1109/INTMAG.2005.1463842
