Eremin M.; Zakharov D.; Von Nidda H.; Eremina R.; Shuvaev A.; Pimenov A.; Ghigna P.; Deisenhofer J.; Loidl A.
(2008)
The spin dynamics of the prototypical quasi-one-dimensional antiferromagnetic Heisenberg spin S=1/2 chain KCuF3 is investigated by electron spin resonance spectroscopy. Our analysis shows that the peculiarities of the spin ...