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Hilbert-space average method and adiabatic quantum search

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Hilbert-space average method and adiabatic quantum search

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Pérez Cañellas, Armando

Aquest document és un/a article, creat/da en: 2009

We discuss some aspects related to the so-called Hilbert-space average method, as an alternative to describe the dynamics of open quantum systems. First we present a derivation of the method which does not make use of the algebra satisfied by the operators involved in the dynamics, and extend the method to systems subject to a Hamiltonian that changes with time. Next we examine the performance of the adiabatic quantum search algorithm with a particular model for the environment. We relate our results to the criteria discussed in the literature for the validity of the above-mentioned method for similar environments.

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