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We present detailed results from a recent microscopic theory of extremelycorrelated Fermi liquids, applied to the t-J model in two dimensions. We usetypical sets of band parameters relevant to the cuprate superconductors. Thesecond order theory in the parameter \lambda is argued to be quantitativelyvalid in the overdoped regime for 0 < n < 0.75 (n is the particle density). Thecalculation involves the self consistent solution of equations for an auxiliaryFermi liquid type Greens function and an adaptive spectral weight, or caparisonfactor, described in recent papers by Shastry (Refs. (1) and (5)). We presentthe numerical results at low as well as high T at various low to intermediatedensities in the normal phase with emphasis placed on features that areexperimentally accessible. We display the momentum space occupation functionm(k), various energy dispersions locating the peaks of spectral functions, theoptical conductivity, relaxation rates for quasiparticles, and the electronicspectral functions along various directions in the Brillouin zone, and withtypical additional elastic scattering. The line-shapes have an asymmetric shapeand a broad background that is seen in experiments near and beyond optimal holedoping, and validate approximate recent recent versions of the theory. Theresults display features such as the high energy kink, and provide an in depthunderstanding of its origin and dependence on band parameters.

Extremely Correlated Fermi Liquids: Self consistent solution of the second order theory