Quantum computation in noiseless subsystems with fast non-Abelian holonomies
2014 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 89, no 4, 042302- p.Article in journal (Refereed) Published
Quantum information processing requires a high degree of isolation from the detrimental effects of the environment as well as an extremely precise level of control on the way quantum dynamics unfolds in the information-processing system. In this paper, we show how these two goals can be ideally achieved by hybridizing the concepts of noiseless subsystems and of holonomic quantum computation. An all-geometric universal computation scheme based on non-adiabatic and non-Abelian quantum holonomies embedded in a four-qubit noiseless subsystem for general collective decoherence is proposed. The implementation details of this synergistic scheme along with the analysis of its stability against symmetry-breaking imperfections are presented.
Place, publisher, year, edition, pages
2014. Vol. 89, no 4, 042302- p.
Geometric phase, quantum computation, noiseless subsystems, decoherence
Other Physics Topics
Research subject Physics
IdentifiersURN: urn:nbn:se:uu:diva-204705DOI: 10.1103/PhysRevA.89.042302ISI: 000333694200002OAI: oai:DiVA.org:uu-204705DiVA: diva2:639714
FunderSwedish Research Council, D0413201
Additional address (JZ, ES, and PZ): Centre for Quantum Technologies, NUS, Singapore2013-08-082013-08-082014-05-12Bibliographically approved