Evolution of cat states in a dissipative parametric amplifier:decoherence and entanglement
1.
SYSNO ASEP
0134251
Document Type
J - Journal Article
R&D Document Type
Journal Article
Subsidiary J
Ostatní články
Title
Evolution of cat states in a dissipative parametric amplifier:decoherence and entanglement
Author(s)
El-Orany, F. A. A. (CZ) Peřina st., Jan (FZU-D) Peřinová, V. (CZ) Abdalla, S. (CZ)
Source Title
European Physical Journal D. - : Springer
- ISSN 1434-6060
Roč. 22, - (2003), s. 141-156
Number of pages
16 s.
Language
eng - English
Country
DE - Germany
Keywords
nonclassical field states ; squeezed, antibunched, and sub-Poissonian states ; operational definitions of the phase of the field phase measurements
Subject RIV
BH - Optics, Masers, Lasers
R&D Projects
LN00A015 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
CEZ
AV0Z1010921 - FZU-D
Annotation
The evolution of the Schrödinger-cat states in a dissipative parametric amplifier is examined. The main tool in the analysis is the normally ordered characteristica function. Squeezing, photon-number distribution and reduced factorial moments are discussed for the single- and compound-mode cases. Also the single-mode Wigner function is demonstrated.
