Field-dependent superfluid density in the optimally doped SmFeAsO1-xFy superconductor
S. Weyeneth, M. Bendele, R. Puzniak, F. Murányi, A. Bussmann-Holder, N. D. Zhigadlo, S. Katrych, Z. Bukowski, J. Karpinski, A. Shengelaya, R. Khasanov and H. Keller
