نتایج جستجو برای: normal anisotropy
تعداد نتایج: 591040 فیلتر نتایج به سال:
Measurements of CMB anisotropy are ideal experiments for discovering the non-trivial global topology of the universe. To evaluate the CMB anisotropy in multiply-connected(MC) compact cosmological models, one needs to compute the eigenmodes of the Laplace-Beltrami operator. We numerically obtain the low-lying eigenmodes on a compact 3-hyperbolic space called m003(−2, 3) in the SnapPea using the ...
The stability of the flux line lattice has been investigated with anisotropic London theory. By calculating the normal modes of the elasticity matrix, it has been found the lattice is stable at large fields, but that instabilities occur as the field is reduced. The field at which these instabilities first arise, b * (ǫ, θ), depends on the anisotropy ǫ and the angle θ at which the lattice is til...
We report the synthesis and temperature dependencies of optical, dielectric, elastic properties four homologous dimeric mesogens in uniaxial nematic (N) phase. The studied dimers are derived from 2ʹ,3ʹ-difluoroterphenyl units connected via flexible alkyl chains. compounds differ length either chain or terminal groups. These achiral bimesogens exhibit twist-bend (NTB) phase with a nanoscale pitc...
Using a time-dependent perturbation theory, vibrational energy relaxation (VER) of isotopically labeled amide I modes in cytochrome c solvated with water is investigated. Contributions to the VER are decomposed into two contributions from the protein and water. The VER pathways are visualized using radial and angular excitation functions for resonant normal modes. Key differences of VER among d...
a semi-micromechanical multilaminate model is introduced here to predict the mechanical behavior of soils. this model is like a bridge between micro and macro scale upon the satisfaction of minimum potential energy level during any applied stress/strain increments. the concept of this model is based on a certain number of sampling planes which constitute the elastic-plastic behavior of the soil...
Front Cover: In article number 2200343, Robert J. Clements, Elda Hegmann and co-workers present a photo-crosslinkable smectic-A liquid crystal elastomer (LCE) designed for 3D printing. X-ray diffraction data indicate steady orientation of the LC units within structure with LCE layer normal oriented perpendicular to printed strut surfaces. This transfers its anisotropic properties cells, inducin...
– We calculate the mesoscopic fluctuations of the magnetic anisotropy of ferromagnetic nanoparticles; that is, the effect of single-particle interference on the direction of the collective magnetic moment. A microscopic spin-orbit Hamiltonian considered as a perturbation of the much stronger exchange interaction first yields an explicit expression for the anisotropy tensor. Then, assuming a sim...
Introduction:The commercial 252Cf sources are too large in size and clinical applications of neutronbrachytherapy (NBT) are limited to a small number of intracavitary treatments of cervical cancers. Recently, under the Cooperative Research and Development Agreement (CRADA) with Isotron Inc., the Oak Ridge National Laboratory (ORNL) encapsulated a new medical 252Cf sources, cal...
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