Related Experiment Videos
Bose-Einstein condensation of dilute magnons in TlCuCl3
T Nikuni1, M Oshikawa, A Oosawa
1Department of Physics, Tokyo Institute of Technology, Oh-okayama, Meguro-ku, Tokyo 152-8551, Japan.
Physical Review Letters
|September 16, 2000
Abstract:
The recent observation [A. Oosawa et al., J. Phys. Condens. Matter 11, 265 (1999)] of the field-induced Neel ordering in the spin-gap magnetic compound TlCuCl3 is interpreted as a Bose-Einstein condensation of magnons. A Hartree-Fock-type calculation based on this picture is shown to describe the temperature dependence of the magnetization well.