Results 41 to 50 of about 881 (97)

Silver sintering for power electronics integration [PDF]

open access: yes, 2015
Silver sintering is an attractive alternative to soldering in power electronics, as it offers higher electrical and thermal performance. Furthermore, sintered attaches can operate at a higher temperature.
Allard, Bruno   +2 more
core   +4 more sources

Directional spontaneous emission in a mono-mode waveguide with a circular cross section

open access: yesAlexandria Engineering Journal
Exploring the spontaneous emission control of an excited two-level atom interacting with the vacuum within a circular waveguide surrounded by a perfect electric conductor is the main objective of this work.
S. Al-Awfi
doaj   +1 more source

Atomic circulation in evanescent of LG10 mode with active dipole and quadrupole transitions

open access: yesJournal of Taibah University for Science
The total internal reflection of a light with phase singularity, such as Laguerre–Gaussian (LG) light, can generate an evanescent wave. The distribution of this type of light is firmly localized in the vicinity above the dielectric surface and displays a
S. Al-Awfi
doaj   +1 more source

An example of interplay between Physics and Mathematics: Exact resolution of a new class of Riccati Equations

open access: yes, 2017
A novel recipe for exactly solving in finite terms a class of special differential Riccati equations is reported. Our procedure is entirely based on a successful resolution strategy quite recently applied to quantum dynamical time-dependent SU(2 ...
Grimaudo, R.   +3 more
core   +1 more source

A Prose Analysis of ʿOwfī's Jawāmiʿ al-Ḥikāyāt through the Lens of Hogan's Affective Narratology [PDF]

open access: yesنثرپژوهی ادب فارسی
Purpose: The book "Jawami' al-Hikayat wa Lawami' al-Riwayat" by Sadr al-Din Muhammad Awfi is one of the most significant Persian prose texts from the 7th century Hijri, encompassing a vast collection of moral, social, historical, and mystical stories ...
faezeh arab yousefabadi
doaj   +1 more source

Modelo causal dos primórdios da ciência do magnetismo [PDF]

open access: yes, 2010
Este artigo apresenta uma breve história do nascimento da ciência do magnetismo, que ocorreu em três continentes distintos de maneira independente.
PESSOA JÚNIOR, Osvaldo
core   +2 more sources

Long-term fertilization of a boreal Norway spruce forest increases the temperature sensitivity of soil organic carbon mineralization [PDF]

open access: yes, 2013
Boreal ecosystems store one-third of global soil organic carbon (SOC) and are particularly sensitive to climate warming and higher nutrient inputs. Thus, a better description of how forest managements such as nutrient fertilization impact soil carbon (C)
Coucheney, Elsa,   +4 more
core   +1 more source

Nonlinear interaction of light with Bose-Einstein condensate: new methods to generate subpoissonian light

open access: yes, 2004
We consider $\Lambda$-type model of the Bose-Einstein condensate of sodium atoms interacting with the light. Coefficients of the Kerr-nonlinearity in the condensate can achieve large and negative values providing the possibility for effective control of ...
A. Icsevgi   +16 more
core   +1 more source

The application of water footprint for assessing the crop water resources stress in Nanjing City, China

open access: yesEcological Indicators
Accurate evaluation of crop water use efficiency for planting structure optimization is essential for sustainable agricultural water management. Yet, how to comprehensively improve the efficiency based on the objectives of maximizing crop production and ...
Jingchi Si   +4 more
doaj   +1 more source

Optical manipulation of atoms and molecules using structured light [PDF]

open access: yes, 2007
The interaction of atoms and molecules with structured light, specifically laser light endowed with the property of orbital angular momentum, such as Laguerre-Gaussian light, is discussed.
Andrews, David, Babiker, M
core  

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