title: Possible spin triplet superconductivity in NaxCoO2.yH2O.
abstract: Symmetry-based considerations are combined with inputs from available experimental results to make the case that a novel spin-triplet superconductivity triggered by antiferromagnetic fluctuations may be realized in the newly discovered layered cobaltide NaxCoO2.yH(2)O. In the proposed picture, inaccessible via resonating-valence-bond physics extrapolated from half-filling, the pairing process is similar to that advanced for Sr2RuO4, but enjoys a further advantage coming from the hexagonal structure of the Fermi surface which gives a stronger pairing tendency.
authors.affiliation: Computational Materials Science Center, National Institute for Materials Science, Tsukuba 305-0047, Japan.
authors.forename: Akihiro
authors.initials: A
authors.lastname: Tanaka
authors.forename: Xiao
authors.initials: X
authors.lastname: Hu