Fractional revivals of quantum state in tight-binding chain

Abstract

We investigate the time evolution of Gaussian wave packet (GWP) in the tight-binding chain with uniform nearest neighbor (NN) hopping integral. Analytical analysis and numerical simulations show that the fractional revival of the quantum state occurs in such system, i.e., at appropriate time, a GWP can evolve into many copies of the initial state at different positions. The application of this quantum phenomenon to the scheme of quantum information transfer in solid-state system is discussed.

9 pages, 7 figures

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• A novel analytic spin chain model with fractional revival
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• Surprises in the suddenly-expanded infinite well
• Dynamic generation of entangling wave packets in XY spin system with decaying long range couplings
• About the quantum Talbot effect on the sphere
• Approximate quantum fractional revival in paths and cycles
• Tomogram-based quantifiers of nonclassicality dynamics in Kerr and cubic media
• Expediting quantum state transfer through the long-range extended XY model