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Article Dans Une Revue New Journal of Physics Année : 2014

Adiabatic graph-state quantum computation

Bobby Antonio
  • Fonction : Auteur
J. Anders
  • Fonction : Auteur

Résumé

Measurement-based quantum computation (MBQC) and holonomic quantum computation (HQC) are two very different computational methods. The computation in MBQC is driven by adaptive measurements executed in a particular order on a large entangled state. In contrast in HQC the system starts in the ground subspace of a Hamiltonian which is slowly changed such that a transformation occurs within the subspace. Following the approach of Bacon and Flammia, we show that any measurement-based quantum computation on a graph state with \emph{gflow} can be converted into an adiabatically driven holonomic computation, which we call \emph{adiabatic graph-state quantum computation} (AGQC). We then investigate how properties of AGQC relate to the properties of MBQC, such as computational depth. We identify a trade-off that can be made between the number of adiabatic steps in AGQC and the norm of H˙ as well as the degree of H, in analogy to the trade-off between the number of measurements and classical post-processing seen in MBQC. Finally the effects of performing AGQC with orderings that differ from standard MBQC are investigated.
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Dates et versions

hal-02287095 , version 1 (13-09-2019)

Identifiants

  • HAL Id : hal-02287095 , version 1

Citer

Bobby Antonio, Damian Markham, J. Anders. Adiabatic graph-state quantum computation. New Journal of Physics, 2014, 16 (113070). ⟨hal-02287095⟩
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