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Title: Genuine four tangle for four qubit states

We report a four qubit polynomial invariant that quantifies genuine four-body correlations. The four qubit invariants are obtained from transformation properties of three qubit invariants under a local unitary on the fourth qubit.
Authors:
 [1] ;  [2]
  1. Depto. de Fisica, Universidade Estadual de Londrina, Londrina 86051-990, PR (Brazil)
  2. Depto. de Matematica, Universidade Estadual de Londrina, Londrina 86051-990, PR (Brazil)
Publication Date:
OSTI Identifier:
22390713
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1633; Journal Issue: 1; Conference: 11. International Conference on Quantum Communication, Measurement and Computation, Vienna (Austria), 30 Jul - 3 Aug 2012; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; FOUR-BODY PROBLEM; POLYNOMIALS; QUANTUM MECHANICS; QUBITS; TRANSFORMATIONS; UNITARITY