Phys. Rev. Lett. 88, 067901 (2002) [4 pages]Quantum Computation with Trapped Polar MoleculesReceived 27 October 2001; published 24 January 2002 We propose a novel physical realization of a quantum computer. The qubits are electric dipole moments of ultracold diatomic molecules, oriented along or against an external electric field. Individual molecules are held in a 1D trap array, with an electric field gradient allowing spectroscopic addressing of each site. Bits are coupled via the electric dipole-dipole interaction. Using technologies similar to those already demonstrated, this design can plausibly lead to a quantum computer with ≳104 qubits, which can perform ∼105 CNOT gates in the anticipated decoherence time of ∼5s. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.88.067901
DOI:
10.1103/PhysRevLett.88.067901
PACS:
03.67.Lx, 33.55.Be, 33.80.Ps
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