Advanced Search

Query:

Fill in the form and click »Search«...

Format:

Display: entries per page entries

Zbl 0968.81506
Bennett, Charles H.; Wiesner, Stephen J.
Communication via one- and two-particle operators on Einstein-Podolsky-Rosen states. (English)
[J] Phys. Rev. Lett. 69, No.20, 2881-2884 (1992). ISSN 0031-9007; ISSN 1079-7114/e

Summary: As is well known, operations on one particle of an Einstein-Podolsky-Rosen (EPR) pair cannot influence the marginal statistics of measurements on the other particle. We characterize the set of states accessible from an initial EPR state by one-particle operations and show that in a sense they allow two bits to be encoded reliably in one spin-1/2 particle: One party, ``Alice'', prepares an EPR pair and sends one of the particles to another party, ``Bob'', who applies one of four unitary operators to the particle, and then returns it to Alice. By measuring the two particles jointly, Alice can now reliably learn which operator Bob used.

MSC 2000:: *81P15 Quantum measurement theory

Comment on this Item PDF MathML XML ASCII DVI PS BibTeX Online Ordering Article Journal

	Scientific prize winners of the ICM 2010
	Overhang
	Lie groups, physics and geometry. An introduction for physicists, engineers and chemists.

Advanced Search

Zentralblatt MATH Berlin [Germany]