Quantum control via encoded dynamical decoupling

2001/11/30 by Lorenza Viola · 8 citations
Computer Science · Physics and Astronomy · #Quantum Computing Algorithms and Architecture #Quantum Information and Cryptography #Quantum Mechanics and Applications #quant-ph

paper · pdf · doi:10.1103/physreva.66.012307

12 pages, no figures; REVTeX style. This note collects various theoretical considerations complementing/motivated by the experimental demonstration of encoded control by Fortunato et al

arxiv created 2001/11/30 · openalex publication_date 2002/07/19 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The ideas underlying dynamical decoupling methods are revisited within the framework of quantum-information processing, and their potential for direct implementations in terms of encoded rather than physical degrees of freedom is examined. The usefulness of encoded decoupling schemes as a tool for engineering both closed- and open-system encoded evolutions is investigated based on simple examples.

Citations

• Josephson-junction qubits with controlled couplings
• Dynamics of the dissipative two-state system

Cited by

• Optimal generation of single-qubit operation from an always-on interaction by algebraic decoupling
• Exact results on dynamical decoupling by π pulses in quantum information processes
• Rigorous bounds on the performance of a hybrid dynamical-decoupling quantum-computing scheme
• Protection of quantum systems by nested dynamical decoupling
• Implications of qudit superselection rules for the theory of decoherence-free subsystems
• Compatible transformations for a qudit decoherence-free/noiseless encoding
• Experimental Implementation of a Concatenated Quantum Error-Correcting Code
• Generation of quantum logic operations from physical Hamiltonians