Lapasar, Elham Hosseini; Maruyama, Koji; Burgarth, Daniel; Takui, Takeji; Nakahara, Mikio; Kondo, Yasushi
(2012-01-23)
It has been shown that inter-spin interaction strengths in a spin-1/2 chain can be evaluated by accessing one of the edge spins only. We demonstrate this experimentally for the simplest case, a three-spin chain, with the ...