Abstract
Characteristic functions are shown to be useful for highly sensitive measurements. Redistributions of motional Fock states of a trapped atom can be directly monitored via the most fragile nonclassical part of the characteristic function. The method can also be used for decoherence measurements in optical quantum-information systems.
- Received 29 January 2007
DOI:https://doi.org/10.1103/PhysRevA.76.053835
©2007 American Physical Society