How much state assignments can differ

Todd A. Brun, J. Finkelstein, and N. David Mermin
Phys. Rev. A 65, 032315 – Published 22 February 2002
PDFExport Citation

Abstract

We derive necessary and sufficient conditions for a group of density matrices to characterize what different people may know about one and the same physical system.

  • Received 11 September 2001

DOI:https://doi.org/10.1103/PhysRevA.65.032315

©2002 American Physical Society

Authors & Affiliations

Todd A. Brun

  • Institute for Advanced Study, Einstein Drive, Princeton, New Jersey 08540

J. Finkelstein

  • Department of Physics, San José State University, San José, California 95192

N. David Mermin

  • Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, New York 14853-2501

References (Subscription Required)

Click to Expand
Issue

Vol. 65, Iss. 3 — March 2002

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
×