In Floquet engineering,we apply a time-periodic modulation to change the effective behavior of a wave system.In this work,we generalize Floquet engineering to more fully exploit spatial degrees of freedom,expanding th...In Floquet engineering,we apply a time-periodic modulation to change the effective behavior of a wave system.In this work,we generalize Floquet engineering to more fully exploit spatial degrees of freedom,expanding the scope of effective behaviors we can access.We develop a perturbative procedure to engineer space-time dependent driving forces that effectively transform broad classes of tight-binding systems into one another.We demonstrate several applications,including removing disorder,undoing Anderson localization,and enhancing localization to an extreme in spatially modulated waveguides.This procedure straightforwardly extends to other types of physical systems and different Floquet driving field implementations.展开更多
基金U.S.Department of Energy,Office of Science,Office of Nuclear Physics(DE-SC0011090)National Science Foundation(1745302)+1 种基金MIT Physics Department and School of Science,LDRD Program of Los Alamos National Laboratory(20240786PRD1)National Nuclear Security Administration of the U.S.Department of Energy(892332188CNA000001)。
文摘In Floquet engineering,we apply a time-periodic modulation to change the effective behavior of a wave system.In this work,we generalize Floquet engineering to more fully exploit spatial degrees of freedom,expanding the scope of effective behaviors we can access.We develop a perturbative procedure to engineer space-time dependent driving forces that effectively transform broad classes of tight-binding systems into one another.We demonstrate several applications,including removing disorder,undoing Anderson localization,and enhancing localization to an extreme in spatially modulated waveguides.This procedure straightforwardly extends to other types of physical systems and different Floquet driving field implementations.
