Measurement of the ground-state flux diagram of three coupled qubits as a first step towards the demonstration of adiabatic quantum computationA. Izmalkov, M. Grajcar, S. H. W. van der Ploeg, U. Hübner, E. Il'ichev, H.-G. Meyer and A. M. ZagoskinEurophys. Lett., 76 3 (2006) 533-539DOI: https://doi.org/10.1209/epl/i2006-10291-5