English

Quantum computing with magnetic atoms in optical lattices of reduced periodicity

Quantum Physics 2009-11-13 v2 Atomic Physics

Abstract

We investigate the feasibility of combining Raman optical lattices with a quantum computing architecture based on lattice-confined magnetically interacting neutral atoms. A particular advantage of the standing Raman field lattices comes from reduced interatomic separations leading to increased interatomic interactions and improved multi-qubit gate performance. Specifically, we analyze a J=3/2J=3/2 Zeeman system placed in % \sigma _{+}-\sigma_{-} Raman fields which exhibit λ/4\lambda /4 periodicity. We find that the resulting CNOT gate operations times are in the order of millisecond. We also investigate motional and magnetic-field induced decoherences specific to the proposed architecture.

Keywords

Cite

@article{arxiv.quant-ph/0606162,
  title  = {Quantum computing with magnetic atoms in optical lattices of reduced periodicity},
  author = {Boris Ravaine and Andrei Derevianko and P. R. Berman},
  journal= {arXiv preprint arXiv:quant-ph/0606162},
  year   = {2009}
}