Wave-packet revival in a Floquet engineering quadratic potential system
The study investigates how periodic driving a one-dimensional lattice with a quadratic potential can engineer new quantum dynamics. By analyzing the system's Floquet Hamiltonian, researchers found that specific driving frequencies create nearly equidistant quasi-energy ladders. This structure leads to robust wave-packet revivals in both Hermitian and non-Hermitian systems, demonstrating a powerful method for controlling coherent quantum behavior.