نتایج جستجو برای: anisotropy function

تعداد نتایج: 1242765  

Journal: :Physical review. E 2016
Matthew D Gratale Tim Still Caitlin Matyas Zoey S Davidson Samuel Lobel Peter J Collings A G Yodh

Depletion interaction potentials between micron-sized colloidal particles are induced by nanometer-scale surfactant micelles composed of hexaethylene glycol monododecyl ether (C_{12}E_{6}), and they are measured by video microscopy. The strength and range of the depletion interaction is revealed to arise from variations in shape anisotropy of the surfactant micelles. This shape anisotropy incre...

A. Abyazi, A. Ebrahimi S. Abbasi

Thermomechanical control process steel <span style="font-family: 'Times New Roman','serif'; font-size: 10pt; mso-fareast-font-family: 'Times New Roman'; mso-bidi-language: AR-SA; m...

2011
Sunghyun Yoon Kannan M. Krishnan

The temperature dependence of the effective magnetic anisotropy constant, K(T), of MnFe2O4 nanoparticles is obtained based on superconducting quantum interference device magnetometry measurements. The variation of the blocking temperature, TB, as a function of particle radius, r, is first determined by associating the particle size distribution and the anisotropy energy barrier distribution ded...

Journal: :NMR in biomedicine 2008
Silvia Lope-Piedrafita Maria L Garcia-Martin Jean-Philippe Galons Robert J Gillies Theodore P Trouard

In order to investigate the properties of water motion within and around brain tumors as a function of tumor growth, longitudinal diffusion tensor imaging (DTI) was carried out in a rat brain glioma (C6) model. As tumors grew in size, significant anisotropy of water diffusion was seen both within and around the tumor. The tissue water surrounding the tumor exhibited high planar anisotropy, as o...

2015
R. A. Escobar L. Tryputen S. Castillo-Sepúlveda D. Altbir S. Chung T. N. Anh Nguyen Majid S. Mohseni J. Åkerman C. A. Ross

The magnetic properties of a thin film consisting of an exchange-coupled [Co/Ni]2/NiFe multilayer has been studied as a function of the NiFe thickness by using Monte Carlo modeling and compared with experimental results of [Co/Ni]4/Co/NiFe multilayers. Both modeling and experiment showed that the NiFe thickness controls the effective anisotropy. The direction of the easy axis is determined by a...

2010
Tiamhock Tay Olexei I. Motrunich

We present a variational study of the Heisenberg antiferromagnet on the spatially anisotropic triangular lattice in magnetic field. First we construct a simple yet accurate wave function for the 1/3-magnetization plateau uud phase on the isotropic lattice. Beginning with this state, we obtain natural extensions to nearby commensurate coplanar phases on either side of the plateau. The latter occ...

Journal: :Chemphyschem : a European journal of chemical physics and physical chemistry 2008
Gabrielle Nodet Daniel Abergel Geoffrey Bodenhausen

We show that the prediction of (15)N relaxation rates in proteins can be extended to systems with anisotropic global rotational diffusion by using a network of coupled rotators (NCR), starting from a three-dimensional structure. The relaxation rates predicted by this method are confronted in several examples with experiments performed by other groups. The NCR spectral density functions are comp...

پایان نامه :0 1391

uncertainty in the financial market will be driven by underlying brownian motions, while the assets are assumed to be general stochastic processes adapted to the filtration of the brownian motions. the goal of this study is to calculate the accumulated wealth in order to optimize the expected terminal value using a suitable utility function. this thesis introduced the lim-wong’s benchmark fun...

2000
Chi-Sing Man

The r-value of a sheet metal is a measure of plastic anisotropy frequently used for prediction of performance in deep-drawing. It has also gured prominently in the literature for validation of theories where the predicted angular dependence of r is compared with the measured dependence. As plastic anisotropy in sheet metals is caused mainly by the preferred orientations of grains within the pol...

2001
Tarun Souradeep

We develop computationally rapid methods to compute the window function for a cosmic microwave background anisotropy experiment with a non-circular beam which scans over large angles on the sky. To concretely illustrate these methods we compute the window function for the Python V experiment which scans over large angles on the sky with an elliptical Gaussian beam. Subject headings: cosmic micr...

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