New polarization effect and collective excitation in S=1/2 quasi 1D antiferromagnetic quantum spin chain

S. V. Demishev, A. V. Semeno, H. Ohta +4

Anomalous polarization characteristics of magnetic resonance in CuGeO3 doped with 2% of Co impurity are reported. For the Faraday geometry this mode is damped for the microwave fie…