نتایج جستجو برای: ellipticity

تعداد نتایج: 1777  

Journal: :International Journal of Modern Physics D 2011

Journal: :International Journal of Modern Physics D 2003

Journal: :Monthly Notices of the Royal Astronomical Society: Letters 2021

We show an efficient way to compute wide-angle or all-sky statistics of galaxy intrinsic alignment in three-dimensional configuration space. For this purpose, we expand the two-point correlation function using a newly introduced spin-dependent tripolar spherical harmonic basis. Therefore, angular dependences on two line-of-sight (LOS) directions pointing each pair objects, which are degenerate ...

2008
TAOTAO FANG

Cosmological simulations of galaxy clusters typically find that the weight of a cluster at a given radius is not balanced entirely by the thermal gas pressure of the hot ICM, with theoretical studies emphasizing the role of random turbulent motions to provide the necessary additional pressure support. Using a set of highresolution, hydrodynamical simulations of galaxy clusters that include radi...

2009
Teppei Okumura

We examine whether the gravitational shear–intrinsic ellipticity (GI) correlation function of the luminous red galaxies (LRGs) can be modeled with the distribution function of a misalignment angle advocated recently by Okumura et al. For this purpose, we have accurately measured the GI correlation for the LRGs in the Data Release 6 (DR6) of the Sloan Digital Sky Survey (SDSS), which confirms th...

Journal: :Biochimica et biophysica acta 2015
Gowri Chellappan Raj Kumar Erin Santos Dipak Goyal Shuowei Cai Bal Ram Singh

The structure-function relationship of Botulinum Neurotoxin (BoNT) proteins is greatly influenced by pH. While the low pH of endosome favors membrane interaction of the heavy chain (HC) for the formation of a membrane channel and translocation of the light chain (LC), the catalytic activity of the LC requires a neutral pH for cleavage of the soluble NSF attachment protein receptor (SNARE) compl...

2005
E. Zavattini G. Zavattini G. Ruoso E. Polacco E. Milotti M. Karuza G. Di Domenico F. Della Valle R. Cimino S. Carusotto M. Bregant

The PVLAS experiment operates an ellipsometer which embraces a superconducting dipole magnet and can measure ellipticity and rotation induced by the magnetic field onto linearly polarized laser light. The sensitivity of the instrument is about 10rad Hz. With a residual pressure less than 10 mbar the apparatus gives both ellipticity and rotation signals at the 10-7rad level with more than 8 sigm...

Journal: : 2023

Within the framework of strain gradient elasticity under finite deformations we formulate strong ellipticity conditions equilibrium equations. model a energy density is function first and second deformation gradients. Ellipticity involves certain constraints on tangent elastic moduli. It also closely related to infinitesimal stability which defined as positive definiteness variation potential f...

2007
S. Asztalos W. H. de Vries L. J Rosenberg T. Treadway D. Burke C. Claver A. Saha P. Puxley

Cosmic shear holds great promise for a precision independent measurement of Ω m , the mass density of the universe relative to the critical density. The signal is expected to be weak, so a thorough understanding of systematic effects is crucial. An important systematic effect is the atmosphere: shear power introduced by the atmosphere is larger than the expected signal. Algorithms exist to extr...

Journal: :Physical review. E 2016
A Sanzeni V Balasubramanian G Tiana M Vergassola

Grid cells in the entorhinal cortex fire when animals that are exploring a certain region of space occupy the vertices of a triangular grid that spans the environment. Different neurons feature triangular grids that differ in their properties of periodicity, orientation, and ellipticity. Taken together, these grids allow the animal to maintain an internal, mental representation of physical spac...

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