Phys. Rev. A 70, 012306 (2004) [14 pages]Quantum computations with atoms in optical lattices: Marker qubits and molecular interactionsReceived 27 March 2004; published 12 July 2004 We develop a scheme for quantum computation with neutral atoms, based on the concept of “marker” atoms, i.e., auxiliary atoms that can be efficiently transported in state-independent periodic external traps to operate quantum gates between physically distant qubits. This allows for relaxing a number of experimental constraints for quantum computation with neutral atoms in microscopic potential, including single-atom laser addressability. We discuss the advantages of this approach in a concrete physical scenario involving molecular interactions. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.70.012306
DOI:
10.1103/PhysRevA.70.012306
PACS:
0.3.67.−a, 34.50.−s
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