Wilson ratio of a Tomonaga-Luttinger liquid in a spin-1/2 Heisenberg ladder

K. Ninios, Tao Hong, T. Manabe +6

Using micromechanical force magnetometry, we have measured the magnetization of the strong-leg spin-1/2 ladder compound (C${}_7$H${}_{10}$N)${}_2$CuBr${}_2$ at temperatures down to 45 mK.…