Quantum treatment of atom-field interaction via the quadratic invariant

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F12%3A33140153" target="_blank" >RIV/61989592:15310/12:33140153 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Quantum treatment of atom-field interaction via the quadratic invariant
Original language description
We introduce a new quantum treatment for the problem of the interaction between a two-level atom and field, which is expressed by the Jaynes-Cummings model. The treatment is built up on the construction of a quadratic invariant for the free-field Hamiltonian and used to reformulate the interaction term. We concentrate our study on atomic inversion as well as the phenomenon of squeezing. For the atomic inversion there is a delay during the revival period beside a period of partial collapse. The phenomenon of squeezing is also observed in the normal, the variance, and the entropy squeezing. However, the maximum value of the squeezing beside its period depends in general on the variation of the field frequency. as well as the mu-parameter, both of which play a crucial role to control this phenomenon.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BH - Optics, masers and lasers
OECD FORD branch
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Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical
Journal of the Optical Society of America B - Optical Physics
ISSN
0740-3224
e-ISSN
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Volume of the periodical
29
Issue of the periodical within the volume
4
Country of publishing house
US - UNITED STATES
Number of pages
10
Pages from-to
719-728
UT code for WoS article
000302560200029
EID of the result in the Scopus database
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