Improving the purity of one‐ and two‐qubit gates

2005/09/13 by Sigmund Kohler, Peter Hänggi
Computer Science · Engineering · Physics and Astronomy · #Algorithm #Coherence (philosophical gambling strategy) #Computer science #Electrical engineering #Electronic engineering #Engineering #Optoelectronics #Physics #Quantum #Quantum Computing Algorithms and Architecture #Quantum Information and Cryptography #Quantum and electron transport phenomena #Quantum mechanics #Qubit #Topology (electrical circuits) #quant-ph

paper · pdf · doi:10.1002/prop.200610314

published as Fortschr. Phys. 54, 804 (2006) · 16 pages, 7 figures, style file included

arxiv created 2005/09/13 · openalex publication_date 2006/08/01 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

Abstract We investigate the influence of AC driving fields on the coherence properties of one‐ and two‐qubit gate operations. In both cases, we find that for suitable driving parameters, the gate purity improves significantly. A mapping of the time‐dependent system‐bath model to an effective static model provides analytical results. The resulting purity loss compares favorably with numerical results.

Citations

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