Coulomb correlations and coherent charge tunneling in mesoscopic coupled rings C. M. Canali, W. Stephan, L. Y. Gorelik, R. I. Shekhter and M. Jonson Europhys. Lett., 40 1 (1997) 67-72 Published online: 01 September 2002 DOI: 10.1209/epl/i1997-00425-9