Why is Sr2RuO4 not a high T-c superconductor? Electron correlation, Hund's coupling and p-wave instability

Sr(2)RuO(4) is a layered superconductor with a T(c) approximate to 0.95 K. The electrical resistivity is strongly anisotropic and has an unusual T dependence: rho(ab) similar to T(2) for T < 100 K and rho(ab) similar to T for T > 100 K; the ratio rho(c)/rho(ab) is about 850 around 4 K and 220 around 290 K. dHvA and SdH experiments show the presence of three anisotropic 'Fermi surfaces'. Experiments on Sr(2)RuO(4) and related oxides indicate that this conductor is close to a spin 1 Mott insulating state. We present a model for the insulating and conducting stales of these compounds and a mechanism for the metal-insulator transition. We argue that there are two bands of non-Fermi liquids which are close to half filling and an almost full band. The residual Hund's coupling in this (primarily 4d) band is argued to cause triplet correlations among the low-energy spinon excitations of the two bands of non-Fermi liquids below about 100 K. Based on this, we suggest that the experimentally observed superconducting state is likely to be a triplet p-wave type. Some other predictions are also made.