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2015 | 127 | 4 | 1233-1235
Article title

Quantum Fisher Information of Bipartitions of W States

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EN
Abstracts
EN
We study the quantum Fisher information (QFI) of W states and W-like states under decoherence. In particular, we find that on the contrary to amplitude damping and depolarizing decoherence, a W-like state of 3 qubits obtained by discarding 1 qubit of a genuine W state of 4 qubits is more robust than a genuine W state of 3 qubits under amplitude amplifying and phase damping decoherence.
Keywords
EN
Contributors
author
  • Department of Information Technologies, Faculty of Science and Letters, Isik University, Istanbul, Turkey
author
  • Department of Electrical Engineering, Faculty of Engineering and Architecture, Okan University, Istanbul, Turkey
author
  • Department of Computer Engineering, Faculty of Engineering and Architecture, Okan University, Istanbul, Turkey
author
  • Department of Computer Engineering, Institute of Science, Istanbul, Turkey
author
  • Department of Computer Engineering, Institute of Science, Okan University, Istanbul, Turkey
  • Provus A MasterCard Company R&D Center, Istanbul, Turkey
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv127n4104kz
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