Published April 2002
| Version v1
Journal article
Coherent superposition states as quantum rulers
Creators
- 1. Centre for Quantum Computer Technology, Department of Physics, University of Queensland, St. Lucia, QLD 4072 (Australia)
Description
We explore the sensitivity of an interferometer based on a quantum circuit for coherent states. We show that its sensitivity is at the Heisenberg limit. Moreover, we show that this arrangement can measure very small length intervals
Additional details
Identifiers
- DOI
- 10.1103/PhysRevA.65.042313;
- arXiv
- arXiv:quant-ph/0109106v2;
Publishing Information
- Journal Title
- Physical Review. A
- Journal Volume
- 65
- Journal Issue
- 4
- Journal Page Range
- p. 042313-042313.5
- ISSN
- 1050-2947
- CODEN
- PLRAAN
INIS
- Country of Publication
- United States
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 36030236
- Subject category
- S74: ATOMIC AND MOLECULAR PHYSICS; S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
- Descriptors DEI
- EIGENSTATES; ENERGY LEVELS; INTERFEROMETERS; INTERFEROMETRY; OPTICS; QUANTUM MECHANICS; SENSITIVITY; VISIBLE RADIATION
- Descriptors DEC
- ELECTROMAGNETIC RADIATION; MEASURING INSTRUMENTS; MECHANICS; RADIATIONS
Optional Information
- Notes
- (c) 2002 The American Physical Society