Open AccessLinear entropy of multiqutrit nonorthogonal states
Author(s) -
Yusef Maleki,
А. М. Желтиков
Publication year - 2019
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.27.008291
Subject(s) - qutrit , multipartite , quantum entanglement , quantum channel , multipartite entanglement , quantum mechanics , w state , physics , beam splitter , quantum state , quantum teleportation , quantum , kullback–leibler divergence , statistical physics , squashed entanglement , mathematics , statistics , laser
We derive a closed-form analytical expression for the linear entropy of a multipartite qutrit state, providing a quantitative measure for quantum entanglement within the class of n-mode nonorthogonal qutrit states with any n. Conditions for enhanced and maximum quantum entanglement of multipartite qutrit states are identified. The usefulness of the introduced multipartite qutrit states as quantum communication channel resources is analyzed. The Hamiltonians allowing for the generation of multipartite qutrit states can be attained by combining optomechanical cavities with sequences of tunable beam splitters.