Superqubits

Details Superqubits Superqubits

2009-08-05

arxiv.org/abs/0908.0706v3

Phys.Rev.D81:105023,2010

Physics

Quantum Physics

16 pages, 4 figures, 4 tables, revtex; minor corrections, version appearing in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.81.105023

We provide a supersymmetric generalization of n quantum bits by extending the local operations and classical communication entanglement equivalence group [SU(2)]^n to the supergroup [uOSp(1|2)]^n and the stochastic local operations and classical communication equivalence group [SL(2,C)]^n to the supergroup [OSp(1|2)]^n. We introduce the appropriate supersymmetric generalizations of the conventional entanglement measures for the cases of $n=2$ and $n=3$. In particular, super-Greenberger-Horne-Zeilinger states are characterized by a nonvanishing superhyperdeterminant.

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