نتایج جستجو برای: magnetic fields

تعداد نتایج: 535087  

قهرمانی‌نژاد, مینا, بهمنش, مهرداد , عبدالمالکی , پرویز , قناتی٭, فائزه, پایز , عاطفه,

Atefeh Payez1, Faezeh Ghanati1*, Mehrdad Behmanesh1, Parviz Abdolmaleki1, Mina Ghahremaninezhad1 1*Faculty of Biological Sciense, Tarbiat Modares Univercity, Tehran (Received: 2 January 2012 Accepted: 4 May 2013) Abstract: Several studies have shown that magnetic fields can exert an influence on a large variety of cellular functions however, the exact mechanism of this interaction i...

Fatemeh Mirmoradi, Hossein Sarmadian, Reza Ghasemikhah,

Background: Hydatidosis it is a zoonotic disease which is caused by the larval stages of different species of the tapeworms (Cestoda) of genus Echinococcus. Currently, the surgery is most definitive method of treatment for Hydatid Cyst, but always there is the risk of leakage or rupture during the surgery, therefore it is considered unreliable method. Methods: Protoscoleces of hydatid cysts we...

2017
L. Tewordt N. Schopohl

The line widths of the clapping (spin) modes due to pair-breaking are found to be much smaller than those of the flapping (orbital) modes. A magnetic field causes a splitting of the frequencies of all these modes. The orbital modes have an appreciable effect on the line widths and line shifts of the NMR at very low T and at T very close to T . The ultrasound attenuation is enhanced appreciably ...

1999
M Laine

We review the motivation for, lattice results on, and some implications of, external magnetic fields present at the time of the cosmological electroweak phase transition.

2008
Hideo Tamura

We study the asymptotic behavior of the time delay (defined as the trace of the Eisenbud–Wigner time delay operator) for scattering by potential and by magnetic field with two compact supports as the separation of supports goes to infinity. The emphasis is placed on analyzing how different the asymptotic formulae are in potential and magnetic scattering. The difference is proper to scattering i...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2007
Donatella Capitani Anand Yethiraj E Elliott Burnell

We report a detailed analysis of deuteron NMR spectra of micellar, lamellar, cubic, and hexagonal mesophases in the aqueous non-ionic surfactant system C(12)E(6)/water. Samples are prepared with and without shear. Particular attention is paid to an interesting temperature-driven phase sequence that includes all of the above phases that are studied before and after shear parallel or perpendicula...

Journal: :Physical review. D, Particles and fields 1995
Dowker Gauntlett Gibbons Horowitz

Magnetic fields in five-dimensional Kaluza-Klein theory compactified on a circle correspond to “twisted” identifications of five dimensional Minkowski space. We show that a five dimensional generalisation of the Kerr solution can be analytically continued to construct an instanton that gives rise to two possible decay modes of a magnetic field. One decay mode is the generalisation of the “bubbl...

Journal: :Physical review letters 2013
L Gao P M Nilson I V Igumenschev G Fiksel R Yan J R Davies D Martinez V Smalyuk M G Haines E G Blackman D H Froula R Betti D D Meyerhofer

Magnetic fields generated by the nonlinear Rayleigh-Taylor growth of laser-seeded three-dimensional broadband perturbations were measured in laser-accelerated planar targets using ultrafast proton radiography. The experimental data show self-similar behavior in the growing cellular magnetic field structures. These observations are consistent with a bubble competition and merger model that predi...

Journal: :Optics letters 2009
Eugeniy E Mikhailov I Novikova M D Havey F A Narducci

We demonstrate the possibility of dynamic imaging of magnetic fields using electromagnetically induced transparency in an atomic gas. As an experimental demonstration we employ an atomic Rb gas confined in a glass cell to image the transverse magnetic field created by a long straight wire. In this arrangement, which clearly reveals the essential effect, the field of view is about 2 x 2 mm(2) an...

Journal: :Physical review letters 1993
Kirkpatrick Belitz

The effect of Cooperons on metal-insulator transitions (MIT) in disordered interacting electronic systems is studied. It is argued that previous results which concluded that Cooperons are qualitatively unimportant near the MIT might not be correct, and that the problem is much more complicated than had previously been realized. Although we do not completely solve the Cooperon problem, we propos...

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