Fractional revivals of quantum state in tight-binding chain

Details Fractional revivals of quantum state in tight-binding chain Fractional revivals of quantum state in tight-binding chain

2006-03-04

arxiv.org/abs/quant-ph/0603033v2

Phys. Rev. A 75, 012113 (2007)

Physics

Quantum Physics

9 pages, 7 figures

Scientific paper

10.1103/PhysRevA.75.012113

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.

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