Inverse engineering control in open quantum systems

Jun Jing, Lian-Ao Wu, Marcelo S. Sarandy, and J. Gonzalo Muga
Phys. Rev. A 88, 053422 – Published 21 November 2013

Abstract

We propose a scheme for inverse engineering control in open quantum systems. Starting from an undetermined time evolution operator, a time-dependent Hamiltonian is derived in order to guide the system to attain an arbitrary target state at a predefined time. We calculate the fidelity of our inverse engineering control protocol in the presence of the noise with respect to the stochastic fluctuation of the linear parameters of the Hamiltonian during the time evolution. For a special family of Hamiltonians for two-level systems, we show that the control evolution of the system under noise can be categorized into two standard decohering processes: dephasing and depolarization, for both Markovian and non-Markovian conditions. In particular, we illustrate our formalism by analyzing the robustness of the engineered target state against errors. Moreover, we discuss the generalization of the inverse protocol for higher-dimensional systems.

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  • Received 1 July 2013

DOI:https://doi.org/10.1103/PhysRevA.88.053422

©2013 American Physical Society

Authors & Affiliations

Jun Jing1,2, Lian-Ao Wu2,*, Marcelo S. Sarandy3, and J. Gonzalo Muga1,4

  • 1Department of Physics, Shanghai University, Shanghai 200444, China
  • 2Ikerbasque, Basque Foundation for Science, 48011 Bilbao, and Department of Theoretical Physics and History of Science, Basque Country University (UPV/EHU), PO Box 644, 48080 Bilbao, Spain
  • 3Instituto de Física, Universidade Federal Fluminense, Avenida Gal. Milton Tavares de Souza s/n, Gragoatá, 24210-346, Niterói, Rio de Janeiro, Brazil
  • 4Department of Physical Chemistry, Basque Country University (UPV/EHU), Post Office Box 644, 48080 Bilbao, Spain

  • *Corresponding author: lianao.wu@ehu.es

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Issue

Vol. 88, Iss. 5 — November 2013

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