Media type: E-Article Title: Realization of Universal Ion-Trap Quantum Computation with Decoherence-Free Qubits Contributor: Monz, T.; Kim, K.; Villar, A. S.; Schindler, P.; Chwalla, M.; Riebe, M.; Roos, C. F.; Häffner, H.; Hänsel, W.; Hennrich, M.; Blatt, R. imprint: American Physical Society (APS), 2009 Published in: Physical Review Letters Language: English DOI: 10.1103/physrevlett.103.200503 ISSN: 0031-9007; 1079-7114 Keywords: General Physics and Astronomy Origination: Footnote: