Groverian entanglement measure of pure quantum states with arbitrary partitions

Yishai Shimoni*, Ofer Biham

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The Groverian entanglement measure of pure quantum states of n qubits is generalized to the case in which the qubits are divided into any p≤n parties. The entanglement between these parties is evaluated numerically using an efficient parametrization. To demonstrate this measure we apply it to symmetric states such as the Greenberg-Horne-Zeiliner state and the W state. Interestingly, this measure is equivalent to an entanglement measure introduced earlier, using different considerations.

Original languageAmerican English
Article number022308
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume75
Issue number2
DOIs
StatePublished - 8 Feb 2007

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