Perfect transfer of multiple excitations in quantum networks

Details Perfect transfer of multiple excitations in quantum networks Perfect transfer of multiple excitations in quantum networks

2011-02-25

arxiv.org/abs/1102.5196v2

Phys. Rev. A 83, 022323 (2011)

Physics

Quantum Physics

close to the version published in Phys. Rev. A. In version 2, a typo has been corrected in Sec. IIIA

Scientific paper

10.1103/PhysRevA.83.022323

We present a general formalism to the problem of perfect state-transfer (PST), where the state involves multiple excitations of the quantum network. A key feature of our formalism is that it allows for inclusion of nontrivial interactions between the excitations. Hence, it is perfectly suited to addressing the problem of PST in the context of various types of physical realizations. The general formalism is also flexible enough to account for situations where multiple excitations are "focused" onto the same site.

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