Estimation of coupling constants of a three-spin chain: a case study of Hamiltonian tomography with nuclear magnetic resonance

Elham Hosseini Lapasar, Koji Maruyama, Daniel Klaus Burgarth, Takeji Takui, Yasushi Kondo, Mikio Nakahara

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14 Citations (SciVal)
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Abstract

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 nuclear magnetic resonance technique. The three spins in the chain interact through nearest-neighbor Ising interactions under site-dependent transverse fields. The employed molecule is an alanine containing three 13C nuclei, each of which has spin-1/2.
Original languageEnglish
Article number013043
JournalNew Journal of Physics
Volume14
DOIs
Publication statusPublished - 23 Jan 2012

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