Rooted-tree network for optimal non-local gate implementation

Nilesh Vyas , Debashis Saha , Prasanta K. Panigrahi


A general quantum network for implementing non-local control-unitary gates, between remote parties at minimal entanglement cost, is shown to be a rooted-tree structure. Starting from a five-party scenario, we demonstrate the local implementation of simultaneous class of control-unitary(Hermitian) and multiparty control-unitary gates in an arbitrary n-party network. Previously, established networks are turned out to be special cases of this general construct.
Author Nilesh Vyas
Nilesh Vyas,,
, Debashis Saha (FMPI / ITPA)
Debashis Saha ,,
- Institute of Theoretical Physics and Astrophysics
, Prasanta K. Panigrahi
Prasanta K. Panigrahi,,
Journal seriesQuantum Information Processing, ISSN 1570-0755, (A 35 pkt)
Issue year2016
Publication size in sheets0.6
Keywords in Englishgate teleportation, local operation and classical communication (LOCC), control-unitary gates, rooted tree
Languageen angielski
Score (nominal)40
ScoreMinisterial score = 35.0, ArticleFromJournal
Ministerial score (2013-2016) = 40.0, ArticleFromJournal
Publication indicators WoS Impact Factor: 2016 = 2.192 (2) - 2016=2.337 (5)
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