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https://open.uns.ac.rs/handle/123456789/11747
Nаziv: | Excitation on the coherent states of pseudoharmonic oscillator | Аutоri: | Popova D. Popa N. Sajfert V. |
Dаtum izdаvаnjа: | 27-нов-2009 | Čаsоpis: | AIP Conference Proceedings | Sažetak: | In the last decades, much attention has been paid to the excitation on coherent states, especially for coherent states of the harmonic oscillator ([1] and references therein). But an interesting anharmonic oscillator with many potential applications is also the pseudoharmonic oscillator (PHO). So, in the present paper we have defined the excitation on the Klauder-Perelomov coherent states (E-KP-CSs) for the PHO. These states are obtained by repeatedly operating the raising operator K+ on a usual Klauder-Perelomov coherent state (KP-CS) of the PHO [2]. We have verified that really, the E-KP-CSs fulfill all the properties of the coherent states, as stated by Klauder [3]. We have examined the nonclassical properties of the E-KP-CSs, by using the density matrix formalism and examining the dependence of the Mandel parameter Q z,k;m(|z|2) on the |z|2 and on the m. It seems that these states can be used in optical communication field and in the physics of quantum information, as signal beams, due to the fact that in these fields the nonclassicality plays an important role. © 2009 American Institute of Physics. | URI: | https://open.uns.ac.rs/handle/123456789/11747 | ISBN: | 9780735406681 | ISSN: | 0094243X | DOI: | 10.1063/1.3153456 |
Nаlаzi sе u kоlеkciјаmа: | Naučne i umetničke publikacije |
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