Concurrence of Mixed Multipartite Quantum States

Florian Mintert, Marek Kuś, and Andreas Buchleitner

Phys. Rev. Lett. 95, 260502 – Published 20 December 2005

Abstract

We propose generalizations of concurrence for multipartite quantum systems that can distinguish qualitatively distinct quantum correlations. All introduced quantities can be evaluated efficiently for arbitrary mixed sates.

Received 11 November 2004

DOI:https://doi.org/10.1103/PhysRevLett.95.260502

Authors & Affiliations

Florian Mintert^1,2, Marek Kuś², and Andreas Buchleitner¹

¹Max-Planck-Institut für Physik komplexer Systeme, Nöthnitzerstrasse 38, D-01187 Dresden, Germany
²Centrum Fizyki Teoretycznej Polskiej Akademii Nauk, Aleja Lotników 32/46, PL-02-668 Warszawa, Poland