Quantum state transfer via temporal kicking of information

Details Quantum state transfer via temporal kicking of information Quantum state transfer via temporal kicking of information

2009-11-26

arxiv.org/abs/0911.5160v2

Phys. Rev. A 81, 022319 (2010)

Physics

Quantum Physics

7 pages, 7 figures, RevTeX4

Scientific paper

10.1103/PhysRevA.81.022319

We propose a strategy for perfect state transfer in spin chains based on the use of an unmodulated coupling Hamiltonian whose coefficients are explicitly time dependent. We show that, if specific and non-demanding conditions are satisfied by the temporal behavior of the coupling strengths, our model allows perfect state transfer. The paradigma put forward by our proposal holds the promises to set an alternative standard to the use of clever encoding and coupling-strength engineering for perfect state transfer.

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