High Fidelity Adiabatic Quantum Computation via Dynamical Decoupling
arXiv:1205.2725 · doi:10.1103/PhysRevA.86.042333
Abstract
We introduce high-order dynamical decoupling strategies for open system adiabatic quantum computation. Our numerical results demonstrate that a judicious choice of high-order dynamical decoupling method, in conjunction with an encoding which allows computation to proceed alongside decoupling, can dramatically enhance the fidelity of adiabatic quantum computation in spite of decoherence.
5 pages, 4 figures
References in corpus (20)
- The Magnus expansion and some of its applications
- Fault-Tolerant Quantum Dynamical Decoupling
- How to Enhance Dephasing Time in Superconducting Qubits
- Bounds for the adiabatic approximation with applications to quantum computation
- Simple proof of equivalence between adiabatic quantum computation and the circuit model
- Performance of Deterministic Dynamical Decoupling Schemes: Concatenated and Periodic Pulse Sequences
- Subsystem fault tolerance with the Bacon-Shor code
- Adiabatic approximation in open quantum systems
- Fault-Tolerant Quantum Computation For Local Non-Markovian Noise
- Low-frequency noise as a source of dephasing of a qubit
- Experimental implementation of an adiabatic quantum optimization algorithm
- A Quantum Adiabatic Algorithm for Factorization and Its Experimental Implementation
- Quantum Adiabatic Brachistochrone
- Adiabatic approximation with exponential accuracy for many-body systems and quantum computation
- Towards Fault Tolerant Adiabatic Quantum Computation
- Performance comparison of dynamical decoupling sequences for a qubit in a rapidly fluctuating spin-bath
- Noise resistance of adiabatic quantum computation using random matrix theory
- Intrinsic geometry of quantum adiabatic evolution and quantum phase transitions
- Concatenated dynamical decoupling in a solid-state spin bath
- Accuracy vs run time in adiabatic quantum search