Doping Dependence of the muSR Lineshape in YBa_{2}Cu_{3}O_{y} Crystals: Strong Evidence for y = 6.0 Antiferromagnetism in the Vortex Cores of y = 6.50

J. E. Sonier, F. D. Callaghan, J. H. Brewer +3

This paper has been withdrawn by the authors, because of results obtained from a more exhaustive study of both YBa_2Cu_3O_y and La_{2-x}Sr_xCuO_4 (see cond-mat/0610051).