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Wyszukujesz frazę "Radonjić, M." wg kryterium: Autor


Wyświetlanie 1-5 z 5
Tytuł:
Stark-Chirped Rapid Adiabatic Passage in a Multilevel Atom
Autorzy:
Radonjić, M.
Jelenković, B.
Powiązania:
https://bibliotekanauki.pl/articles/1791192.pdf
Data publikacji:
2009-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
32.80.Qk
32.80.Xx
33.80.Be
Opis:
We generalize Stark-chirped rapid adiabatic passage to the case of a multilevel atom. The atom is assumed to have two ground state levels g and f and an excited level e. The adiabatic passage is carried out by resonantly driving the g-e and f-e transitions with time-dependent pump and Stokes fields in the presence of strong far-off-resonant Stark field. Our formalism determines the states that participate in population transfer and is applicable to systems with arbitrary numbers of degenerate states in each level and arbitrary couplings of the g-e and f-e transitions. We give an application to adiabatic passage in Rb atom.
Źródło:
Acta Physica Polonica A; 2009, 116, 4; 476-478
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geometric Phase of an Open System
Autorzy:
Buric, N.
Radonjic, M.
Powiązania:
https://bibliotekanauki.pl/articles/1791194.pdf
Data publikacji:
2009-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
03.65.Vf
Opis:
Quantum state diffusion unraveling of the Linblad master equation is utilized to define a geometric phase of an open quantum system. It is then shown that such geometric phase is invariant under unitary symmetry transformations of the Linblad equation, which is important property not shared by the geometric phases based on other types of unraveling.
Źródło:
Acta Physica Polonica A; 2009, 116, 4; 483-485
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geometric Phase for Analytically Solvable Driven Time-Dependent Two-Level Quantum Systems
Autorzy:
Mendaš, I.
Burić, N.
Popović, D.
Prvanović, S.
Radonjić, M.
Powiązania:
https://bibliotekanauki.pl/articles/1204876.pdf
Data publikacji:
2014-08
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
03.65.Aa
03.65.Vf
07.05.Dz
Opis:
Geometric phase for novel analytical solutions (Barnes and Das Sarma) of time-dependent two-level quantum systems is discussed, specifically for a general single-axis driving term, which is represented by a function J(t) in the Hamiltonian, and its corresponding evolution operator. It is demonstrated how general results for corresponding phases (total, dynamic and geometric) can be obtained. Using a specific case, it was found that over time in which the driving field is appreciably different from zero, the corresponding geometric phase changes (in the specific example by Δ β ≈ 0.8 radians) thus enabling detection. The results are relevant to qubit control and to quantum computing applications.
Źródło:
Acta Physica Polonica A; 2014, 126, 3; 670-672
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Laser Beam Profile Influence on Dark Hanle Resonances in Rb Vapor
Autorzy:
Krmpot, A.
Ćuk, S.
Nikolić, S.
Radonjić, M.
Grujić, Z.
Jelenković, B.
Powiązania:
https://bibliotekanauki.pl/articles/1791239.pdf
Data publikacji:
2009-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
32.70.Jz
42.50.Gy
42.62.Fi
32.30.Jc
Opis:
Influence of two different laser beam profiles, the Gaussian and the Π (top hat) profile on the resonance line widths and amplitudes in the Hanle electromagnetically induced transparency was studied. The laser beam propagates through the vacuum Rb glass cell. Studies were done at $D_1$ line for the open $\text{}^{87}Rb:$ $F_{g}$=2 → $F_{e}$=1 transition. Hanle electromagnetically induced transparency was measured for the two beam profiles with the same total power and beam diameter and experimental results showed that Gaussian and the top hat profiles give different amplitudes and widths of the Hanle resonances. Resonances obtained from the top hat laser beam profile have lower amplitudes and higher line widths.
Źródło:
Acta Physica Polonica A; 2009, 116, 4; 563-565
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
FACTORS ASSOCIATED WITH ESTIMATE OF HIGH TERATOGENIC RISK IN FEMALES EXPOSED TO ANTI-INFECTIVE AND ANTI-INFLAMMATORY DRUGS DURING PREGNANCY
Autorzy:
Grubor, Iva
Nikolić, Ljiljana
Ružić Zečević, Dejana
Milovanović, Dragan
Folić, Marko
Rosić, Nikola
Radonjić, Vesela
Janković, Slobodan M.
Powiązania:
https://bibliotekanauki.pl/articles/895244.pdf
Data publikacji:
2018-12-31
Wydawca:
Polskie Towarzystwo Farmaceutyczne
Tematy:
pregnancy
drugs
risk of teratogenicity
risk estimate
Opis:
ABSTRACT Introduction. Considering that small number of drugs are completely safe for use during pregnancy, right choice and adequate risk assessment is extremely important. Objective. The aim of this study was to analyze factors associated with estimate of high teratogenic risk (as judged by clinical pharmacologist) in pregnant females who were prescribed anti-infective drugs or mild analgesics. Methods. A cross-sectional study included 284 pregnant women who came for an advice about teratogenic risk to clinical pharmacologist in Clinical Centre Kragujevac, Serbia during the period from 1997 to 2012. All of included pregnant women were prescribed mild analgesics and/or anti-infective drugs during the first 3 months of pregnancy. The data were collected from patient files and by phone interviews. Results. Clinical pharmacologists estimated the risk of teratogenicity as “high” in pregnant females who were using tetracyclines or propionic acid derivatives. Disorders of development reported by mothers during phone interviews were associated with cephalosporin use during first 3 months of pregnancy, while miscarriages or abortions happened more often in women who used a tetracycline. Conclusions. Estimate of risk from congenital anomalies after use of drugs during pregnancy, which make clinical pharmacologists as part of their routine healthcare services, depends on amount of published data about previous experiences with specific drugs during the first 3 months of pregnancy. Key Words: pregnancy; drugs; risk of teratogenicity; risk estimate
Źródło:
Acta Poloniae Pharmaceutica - Drug Research; 2018, 75, 6; 1439-1445
0001-6837
2353-5288
Pojawia się w:
Acta Poloniae Pharmaceutica - Drug Research
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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