Entanglement and tunable spin-spin couplings between trapped ions using multiple transverse modes.

We demonstrate tunable spin-spin couplings between trapped atomic ions, mediated by laser forces on multiple transverse collective modes of motion. A sigma_{x}sigma_{x}-type Ising interaction is realized between quantum bits stored in the ground hyperfine clock states of ;{171}Yb;{+} ions. We demonstrate entangling gates and tailor the spin-spin couplings with two and three trapped ions. The use of closely spaced transverse modes provides a new class of interactions relevant to quantum computing and simulation with large collections of ions in a single crystal.

• Publication year

  2009

• Venue

  Physical Review Letters

• Publication date

  2009-05-02

• Fields of study

  Medicine, Physics

• Identifiers
  DOI 10.1103/PhysRevLett.103.120502arXiv 0905.0225PMID 19792416
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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