Quantum state transfer in a q-deformed chain

Details Quantum state transfer in a q-deformed chain Quantum state transfer in a q-deformed chain

2008-12-04

arxiv.org/abs/0812.0891v2

J. Phys. A 42, 475305 (2009)

Physics

Quantum Physics

13 pages, 4 figures

Scientific paper

10.1088/1751-8113/42/47/475305

We investigate the quantum state transfer in a chain of particles satisfying q-deformed oscillators algebra. This general algebraic setting includes the spin chain and the bosonic chain as limiting cases. We study conditions for perfect state transfer depending on the number of sites and excitations on the chain. They are formulated by means of irreducible representations of a quantum algebra realized through Jordan-Schwinger maps. Playing with deformation parameters, we can study the effects of nonlinear perturbations or interpolate between the spin and bosonic chain.

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