Spin relaxation in Cs${}_2$CuCl${}_{4-x}$Br${}_x$

R. Hassan Abadi, R. M. Eremina, M. Hemmida +5

The quantum-spin S = 1=2 chain system Cs${}_2$CuCl${}_4$ is of high interest due to competing anti-ferromagnetic intra-chain J and inter-chain exchange J' interactions and represents a…