2 papers
cond-mat.str-el2006
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…
cond-mat.str-el2006
ESR Probing of Quantum Critical Phenomena in Doped S=1/2 AF Quantum Spin Chain
S. V. Demishev, A. V. Semeno, N. E. Sluchanko +4
The results of high frequency (60-315 GHz) studies of the ESR in CuGeO3 single crystals containing 0.9% of the Mn impurity are reported. The quantitative ESR line shape analysis sh…