Two-qubit Hamiltonian tomography by Bayesian analysis of noisy data

Tools

Schirmer, S.G. and Oi, D.K.L. (2009) Two-qubit Hamiltonian tomography by Bayesian analysis of noisy data. Physical Review A, 80 (2). 022333. ISSN 1050-2947 (https://doi.org/10.1103/PhysRevA.80.022333)

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Abstract

We present an empirical strategy to determine the Hamiltonian dynamics of a two-qubit system using only initialization and measurement in a single fixed basis. Signal parameters are estimated from measurement data using Bayesian methods from which the underlying Hamiltonian is reconstructed, up to three unobservable phase factors. We extend the method to achieve full control Hamiltonian tomography for controllable systems via a multistep approach. The technique is demonstrated and evaluated by analyzing data from simulated experiments including projection noise.

ORCID iDs

Schirmer, S.G. and Oi, D.K.L. ORCID logoORCID: https://orcid.org/0000-0003-0965-9509;
  • Item type:Article
    ID code:18974
    Dates:
    Date
    Event
    26 August 2009
    Published
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Strathprints Administrator
    Date deposited:22 Jun 2010 11:30
    Last modified:23 Nov 2024 02:23
    URI:https://strathprints.strath.ac.uk/id/eprint/18974
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