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Two-qubit Hamiltonian tomography by Bayesian analysis of noisy data

Schirmer, S.G. and Oi, D.K.L. (2009) Two-qubit Hamiltonian tomography by Bayesian analysis of noisy data. Physical Review A, 80 (2). 022333-1. ISSN 1050-2947

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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.

Item type: Article
ID code: 18974
Keywords: two-qubit, Hamiltonian tomography, Bayesian analysis, noisy data, Physics, Atomic and Molecular Physics, and Optics
Subjects: Science > Physics
Department: Faculty of Science > Physics
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 22 Jun 2010 12:30
    Last modified: 05 Sep 2014 03:47
    URI: http://strathprints.strath.ac.uk/id/eprint/18974

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