Quantum computing with alkaline earth atoms

Details Quantum computing with alkaline earth atoms Quantum computing with alkaline earth atoms

2008-08-14

arxiv.org/abs/0808.1940v1

Phys. Rev. Lett. 101, 170504 (2008)

Physics

Quantum Physics

4 pages, 3 figures, RevTeX 4

Scientific paper

10.1103/PhysRevLett.101.170504

We present a complete scheme for quantum information processing using the unique features of alkaline earth atoms. We show how two completely independent lattices can be formed for the $^1$S$_0$ and $^3$P$_0$ states, with one used as a storage lattice for qubits encoded on the nuclear spin, and the other as a transport lattice to move qubits and perform gate operations. We discuss how the $^3$P$_2$ level can be used for addressing of individual qubits, and how collisional losses from metastable states can be used to perform gates via a lossy blockade mechanism.

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