About: Quantum treatment of atom-field interaction via the quadratic invariant

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. 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. (en)
Title	Quantum treatment of atom-field interaction via the quadratic invariant Quantum treatment of atom-field interaction via the quadratic invariant (en)
skos:prefLabel	Quantum treatment of atom-field interaction via the quadratic invariant Quantum treatment of atom-field interaction via the quadratic invariant (en)
skos:notation	RIV/61989592:15310/12:33140153!RIV13-MSM-15310___
http://linked.open...avai/riv/aktivita	O
http://linked.open...avai/riv/aktivity	O
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Peřina, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	163839
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/12:33140153
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	information; entropy; linear regime; external force; nonlinear medium; charged-particle; 2-level atom; microcavity-emmeting field; dependent harmonic-oscillator; Jaynes-Cummings model (en)
http://linked.open.../riv/klicoveSlovo	entropy information 2-level atom Jaynes-Cummings model charged-particle dependent harmonic-oscillator external force linear regime microcavity-emmeting field nonlinear medium
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[BE278E8FC454]
http://linked.open...i/riv/nazevZdroje	Journal of the Optical Society of America B - Optical Physics
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	29
http://linked.open...iv/tvurceVysledku	Peřina, Jan Abdalla, M.Sebave Eleuch, H.
http://linked.open...ain/vavai/riv/wos	000302560200029
issn	0740-3224
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	15310

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