نتایج جستجو برای: anisotropic effect
تعداد نتایج: 1676833 فیلتر نتایج به سال:
In recent experiments, highly anisotropic states are observed in the half-filled third and higher Landau levels[1]. In the half-filled second Landau level the fractional quantum Hall effect (FQHE)[2] and transition to the highly anisotropic state are observed[3]. Theoretically the anisotropic states are regarded as stripe states[4] or unidirectional charge density wave states which are plausibl...
The issue of pressure sensitivity of anisotropic sheet metals is investigated with introducing two new non-AFR criteria which are called here linear and non-Linear pressure sensitive criteria. The yield and plastic potential functions of these criteria are calibrated with directional tensile/compressive yield stresses and directional tensile Lankford coefficients, respectively. To determine unk...
image restoration has been an active research area. dierent formulations are eective in high qualityrecovery. partial dierential equations (pdes) have become an important tool in image processingand analysis. one of the earliest models based on pdes is perona-malik model that is a kindof anisotropic diusion (andi) lter. anisotropic diusion lter has become a valuable tool indierent elds...
The analysis of resonant frequency for anisotropic artificial circular dielectric resonator (CDR) encapsulated in waveguide is investigated theoretically. The anisotropic permittivity of CDR is established by taking a relative permittivity value in one direction higher than the values of other directions in cylindrical coordinate system. By deriving Maxwell time-dependent curl equations for the...
I discuss the results of simplified three dimensional magnetohydrodynamic simulations of the boundary layer between a disc and a non-rotating, unmagnetized star. Strong magnetic fields, possibly approaching equipartition with the thermal energy, occur in the boundary layer due to the shearing of disc-generated fields. The mean boundary layer magnetic field, which is highly variable on an orbita...
We have measured the thermal conductivity k for CeNiSn, CeNi0.95M 0.05Sn ~M5Co,Cu!, and CeRhSb single crystals. The pronounced enhancement of k along the b axis is observed around 5 and 10 K in CeNiSn and CeRhSb, respectively. In CeNiSn, this enhancement is almost completely suppressed either by application of a magnetic field of 15 T along the a axis, which is the easy axis of magnetization, o...
An accurate width is determined for the valence band of diamond by imaging photoelectron momentum distributions for a variety of initialand final-state energies. The experimental result of 23.060.2 eV agrees well with first-principles quasiparticle calculations ~23.0 and 22.88 eV! and significantly exceeds the localdensity-functional width, 21.560.2 eV. This difference quantifies effects of cre...
The magnetothermopower and the magnetoresistance of single Co-Ni/Cu multilayered nanowires with various thicknesses of the Cu spacer are investigated. Both kinds of measurement have been performed as a function of temperature (50 K to 325 K) and under applied magnetic fields perpendicular to the nanowire axis, with magnitudes up to -15 % at room temperature. A linear relation between thermopowe...
We investigated the transport, thermal and magnetic properties of antiferromagnetic (TN = 45 K) Gd2InGe2. Magnetization measurements under applied magnetic field, oriented along different crystallographic directions, were used to extract the anisotropic magnetocaloric effect. We also measured magnetization under pulsed field up to 45 T. From the analysis of the electrical transport and magnetiz...
[1] Glaciological processes are modeled to investigate precipitation patterns and the resulting mass flux of snow and ice across Himalayan topography. Our model tracks the accumulation and ablation of snow and ice and the transport of snow and ice across the topography by glacier motion. We investigate high elevation precipitation on the Annapurna Massif by comparing the existing ice cover with...
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