Published February 2002 | Version v1
Journal article

Minimum number of photons needed to distinguish two transparencies

  • 1. MRC Laboratory of Molecular Biology, Hills Road, Cambridge CB2 2QH (United Kingdom)
  • 2. Service de Physique Theorique, Universite Libre de Bruxelles, Code Postal 225, Boulevard du Triomphe, B1050 Brussels (Belgium)

Description

We give a bound on the minimum number of photons that must be absorbed by any quantum protocol to distinguish between two transparencies. We show how a quantum Zeno method in which the angle of rotation is varied at each iteration can attain this bound in certain situations

Additional details

Publishing Information

Journal Title
Physical Review. A
Journal Volume
65
Journal Issue
2
Journal Page Range
p. 022110-022110.6
ISSN
1050-2947
CODEN
PLRAAN

INIS

Country of Publication
United States
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
36027553
Subject category
S74: ATOMIC AND MOLECULAR PHYSICS; S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
Descriptors DEI
ITERATIVE METHODS; OPACITY; PHOTONS; QUANTUM MECHANICS; ROTATION
Descriptors DEC
BOSONS; CALCULATION METHODS; ELEMENTARY PARTICLES; MASSLESS PARTICLES; MECHANICS; MOTION; OPTICAL PROPERTIES; PHYSICAL PROPERTIES

Optional Information

Notes
(c) 2002 The American Physical Society