Quantum Manipulation of Trapped Ions in Two Dimensional Coulomb Crystals

Details Quantum Manipulation of Trapped Ions in Two Dimensional Coulomb Crystals Quantum Manipulation of Trapped Ions in Two Dimensional Coulomb Crystals

2006-01-23

arxiv.org/abs/quant-ph/0601148v3

Phys. Rev. Lett. 96, 250501 (2006)

Physics

Quantum Physics

10 pages, 3 figures. We include an appendix with: (i) Details on the calculation presented in the main text. (ii) An scheme fo

Scientific paper

10.1103/PhysRevLett.96.250501

We show that a large number of ions stored in a Penning trap, and forming a 2D Coulomb crystal, provides an almost ideal system for scalable quantum computation and quantum simulation. In particular, the coupling of the internal states to the motion of the ions transverse to the crystal plane, allows one to implement two qubit quantum gates. We analyze in detail the decoherence induced by anharmonic couplings with in--plane hot vibrational modes, and show that very high gate fidelities can be achieved with current experimental set--ups.

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