Geometric measure for entanglement in N-qudit pure states

Ali Saif M. Hassan and Pramod S. Joag
Phys. Rev. A 80, 042302 – Published 1 October 2009

Abstract

We present a multipartite entanglement measure for N-qudit pure states, using the norm of the correlation tensor which occurs in the Bloch representation of the state. We compute this measure for an important class of N-qutrit pure states, namely, general GHZ states. We prove that this measure possesses all the essential and many desirable properties expected of a good entanglement measure, including monotonicity. We also discuss the feasibility of the experimental evaluation of this measure for an N-qutrit system.

  • Figure
  • Received 13 June 2009

DOI:https://doi.org/10.1103/PhysRevA.80.042302

©2009 American Physical Society

Authors & Affiliations

Ali Saif M. Hassan* and Pramod S. Joag

  • Department of Physics, University of Pune, Pune 411007, India

  • *alisaif@physics.unipune.ernet.in
  • pramod@physics.unipune.ernet.in

Article Text (Subscription Required)

Click to Expand

References (Subscription Required)

Click to Expand
Issue

Vol. 80, Iss. 4 — October 2009

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review A

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×