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A detailed exposition is made of recent transport and 'quantum oscillation'results from HTSC systems covering the full range from overdoped to underdopedmaterial. This now very extensive and high quality data set is interpreted herewithin the framework developed by the author of local pairs and boson-fermionresonance, arising in the context of negative-U behaviour in an inhomogeneouselectronic environment. The strong inhomogeneity comes with the mixed-valentcondition of these materials, which when underdoped lie in close proximity tothe Mott-Anderson transition. The observed intense scattering is presented asresulting from pair formation and electron-boson collisions in the resonantcrossover circumstance. The high level of scattering brings the systems toincoherence in the pseudogapped state, p < pc (= 0.183). In a high magneticfield the striped partition of the inhomogeneous charge distribution is muchstrengthened and regularized. Magnetization and resistance oscillations, ofperiod dictated by the favoured positioning of the square fluxon array withinthe real space environment of the diagonal 2D charge striping array, aredemonstrated to be responsible for the recently reported behaviour hithertowidely attributed to the quantum oscillation response of a much more standardFermi liquid condition. A detailed analysis embracing all the experimental dataserves to indicate that in the given conditions of very high field, lowtemperature, 2D-striped, underdoped, d-wave superconducting, HTSC material theflux quantum becomes doubled to h/e.

Elucidation of the origins of HTSC transport behaviour and quantum oscillations