منابع مشابه
study of dna interaction with ethylenediaminetetraacetic acid and sesamol food additives
برهمکنش dnaتیموس گاوی طبیعی (ct-dna) با اتیلن دی آمین تترااستات (edta)در بافرtris-hcl با 8/7 ph ( دراین ph،edta به نمک دی سدیم تبدیل می شود) وسسامول در بافر tris-hcl با4/7 ph مورد بررسی قرار گرفته است. edta و سسامول استفاده فراوانی در تکنولوژی غذایی و صنعت شیمیایی دارند. مدل اتصال dna مربوط بهedta بوسیله اسپکتروفتومتری جذب، دورنگ نمایی حلقوی(cd)، ویسکومتری وژل الکتروفورز بررسی شده است. طیفuv ...
15 صفحه اولNuRule (4) and the 3-Level Atom
When a weak decay competes with a strong decay in a 3-level atom, some mechanism is necessary to occasionally stop the strong decay so the weak decay can be completed. Rule (4) provides that mechanism. Using this rule, a weak photon is emitted at the correct time for both the V and Λ configurations, as well as for the two cascade configurations.
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We propose a simple experimental procedure to produce squeezing and other non-classical properties like photon antibunching of radiation, and amplification without population inversion. The method also decreases the uncertainties of the angular-momentum quadratures representing the two-level atomic system in the interaction of the two-level atoms with quantized radiation. PACS no. 42.50.Dv, 32....
متن کاملua nt - p h / 01 04 11 8 v 1 2 4 A pr 2 00 1 Interaction of 3 – level atom with radiation
The interaction of 3–level system with a quantum field in a non–equilibrium state is considered. We describe a class of states of the quantum field for wich a stationary state drives the system to inverse populated state. We find that the quotient of the population of the energy levels in the simplest case is described by the double Einstein formula which involves products of two Einstein emiss...
متن کاملA Generalized Hamiltonian Characterizing the Interaction of the Two–Level Atom and both the Single Radiation Mode and External Field
In this paper we propose some Hamiltonian characterizing the interaction of the two–level atom and both the single radiation mode and external field, which might be a generalization of that of Schön and Cirac (quant-ph/0212068). We solve them in the strong coupling regime under some conditions (the rotating wave approximation, resonance condition and etc), and obtain unitary transformations of ...
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ژورنال
عنوان ژورنال: Optics and Spectroscopy
سال: 2003
ISSN: 0030-400X,1562-6911
DOI: 10.1134/1.1586742