438 citations
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Showing 2020 · quant-phShow all
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quant-ph2020★ 24 cited
Wigner negativity in spin- systems
Jack Davis, Meenu Kumari, Robert B. Mann +1
The nonclassicality of simple spin systems as measured by Wigner negativity is studied on a spherical phase space. Several SU(2)-covariant states with common qubit representations…
quant-ph2020★ 11 cited
Secure multiparty quantum key agreement against collusive attacks
Hussein Abulkasim, Atefeh Mashatan, Shohini Ghose
Quantum key agreement enables remote participants to fairly establish a secure shared key based on their private inputs. In the circular-type multiparty quantum key agreement mode,…