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In models of hopping disorder in the absence of external fields and at theband center, the electrons are less localized in space than the standardexponential Anderson localization. A signature of this anomalous localizationis the square root dependence of the logarithmic average of the conductance onthe system length, in contrast to the linear length dependence for Andersonlocalized systems. We study the effect of a time-periodic external field in thescaling and distribution of the conductance of a quantum wire with hoppingdisorder. In the low-frequency regime, we show a transition between anomalouslocalization and Anderson localization as a function of the parameters of theexternal field. The Floquet modes mix different energy contributions andstandard length dependence of the logarithmic average of the conductance isgradually recovered as we lower the frequency or increase the amplitude of theexternal field. In the high-frequency regime, the system presents stillanomalous localization but the conductance is also renormalized, depending onthe parameters of the external field, by interference effects at the couplingto the leads. This allows for a high degree of control of the average of theconductance.

Transition between anomalous and Anderson localization in systems with non-diagonal disorder driven by time-periodic fields