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The two-qubit amplitude damping channel: Characterization using quantum stabilizer codes
S. Omkar, R. Srikanth, , A. Shaji
Published in Academic Press Inc.
2016
Volume: 373
   
Pages: 145 - 162
Abstract
A protocol based on quantum error correction based characterization of quantum dynamics (QECCD) is developed for quantum process tomography on a two-qubit system interacting dissipatively with a vacuum bath. The method uses a 5-qubit quantum error correcting code that corrects arbitrary errors on the first two qubits, and also saturates the quantum Hamming bound. The dissipative interaction with a vacuum bath allows for both correlated and independent noise on the two-qubit system. We study the dependence of the degree of the correlation of the noise on evolution time and inter-qubit separation. © 2016 Elsevier Inc.
About the journal
JournalAnnals of Physics
PublisherAcademic Press Inc.
ISSN00034916
Open AccessNo