79 citations · 1.2k across the 123 of their papers we have counts for
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Third order correction to localization in a two-level driven system
Marco Frasca
A general result is presented on the lack of second order corrections and on the form of the leading order Floquet quasi-energies in the high-frequency approximation for a two-leve…
Fully polarized states and decoherence
Marco Frasca
The aim of this review is to show how ``ferromagnetic'' states, that is, states having a fully polarization, can produce intrinsic decoherence by unitary evolution. This effect can…
Saturation of dephasing time in mesoscopic devices produced by a ferromagnetic state
Marco Frasca
We consider an exchange model of itinerant electrons in a Heisenberg ferromagnet and we assume that the ferromagnet is in a fully polarized state. Using the Holstein-Primakoff tran…
Perturbative results on localization for a driven two-level system
Marco Frasca
Using perturbation theory in the strong coupling regime, that is, the dual Dyson series, and renormalization group techniques to re-sum secular terms, we obtain the perturbation se…
Dephasing by two-level systems at zero temperature by unitary evolution
Marco Frasca
We analyze the unitary time evolution of a conduction electron, described by a two-level system, interacting with two-level systems (spins) through a spin-spin interaction and prov…