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|Title:||Hyperfine-interaction-induced decoherence and deterministic teleportation of electrons in a quantum-dot nanostructure|
|Citation:||Yu, S., Zhu, Y., Yeo, Y. (2008-06-27). Hyperfine-interaction-induced decoherence and deterministic teleportation of electrons in a quantum-dot nanostructure. Physical Review A - Atomic, Molecular, and Optical Physics 77 (6) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.77.062338|
|Abstract:||Recently, de Visser and Blaauboer [Phys. Rev. Lett. 96, 246801 (2006)] proposed the most efficient deterministic teleportation protocol T for electron spins in a semiconductor nanostructure consisting of a single and a double quantum dot. However, it is as yet unknown if T can be completed before decoherence sets in. In this paper we analyze the detrimental effect of nuclear spin baths, the main source of decoherence, on T. We show that nonclassical teleportation fidelity can be achieved with T provided certain conditions are met. Our study indicates that realization of quantum computation with quantum dots is indeed promising. © 2008 The American Physical Society.|
|Source Title:||Physical Review A - Atomic, Molecular, and Optical Physics|
|Appears in Collections:||Staff Publications|
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