Quantum entanglement using trapped atomic spins

Details Quantum entanglement using trapped atomic spins Quantum entanglement using trapped atomic spins

2000-02-09

arxiv.org/abs/quant-ph/0002029v2

Physics

Quantum Physics

minor revisions with an updated discussion on adibatic tranportation of trapped qubit, 5 pages, 3 figs, resubmitted to PRA

Scientific paper

10.1103/PhysRevA.62.052302

We propose an implementation for quantum logic and computing using trapped atomic spins of two different species, interacting via direct magnetic spin-spin interaction. In this scheme, the spins (electronic or nuclear) of distantly spaced trapped neutral atoms serve as the qubit arrays for quantum information processing and storage, and the controlled interaction between two spins, as required for universal quantum computing, is implemented in a three step process that involves state swapping with a movable auxiliary spin.

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