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We study the static and dynamic behavior of charge ordering within a d-wavepair pseudogap (pg) scenario. This is addressed using a density-densitycorrelation function derived from the standard pg self energy, $\Sigma$ andcompatible with the longitudinal and transverse sum rules. The broadeningfactor $\gamma$ in $\Sigma$ reflects the breaking of pairs into constituentfermions. We apply this form for $\Sigma$ (derived elsewhere for high fields)to demonstrate the existence of quantum oscillations in a non-Fermi liquid pgstate. Our conclusion is that the pseudogap-induced pairbreaking, via $\gamma$,allows the underlying fermiology to be revealed; in YBCO, finite $\omega$ and$\gamma$ enable antinodal fluctuations, despite the competition with a d-wavegap in the static and superconducting limits.

Theory of Fluctuating Charge Ordering in the Pseudogap Phase of the Cuprates Via A Preformed Pair Approach