Nuclear Spin Relaxation in Hole Doped Two-Leg Ladders

S. Fujiyama, M. Takigawa, N. Motoyama +2

The nuclear spin-lattice relaxation rate ($1/T_1$) has been measured in the single crystals of hole doped two-leg ladder compounds Sr${}_{14-x}$Ca${}_x$Cu${}_{24}$O${}_{41}$ and in the…