نتایج جستجو برای: angular spectrum

تعداد نتایج: 293796  

2004
M. Tristram

on behalf of the Archeops Collaboration includes scientists from Caltech (USA), Cardiff Univ., CESR (Toulouse), CSNSM (Orsay), CRTBT (Grenoble), IAS (Orsay), IAP (Paris), IROE (Firenze, Italy), ISN (Grenoble), JPL (USA), LAL (Orsay), LAOG (Grenoble), Landau Institute (Russia), La Sapienza Univ. (Roma, Italy), LAOMP (Toulouse), Maynooth Univ. (Ireland), Minnesota Univ. (USA), PCC (Paris), SPP (S...

2016
Hy Trac Paul Bode Jeremiah P. Ostriker

We present templates for the Sunyaev-Zel’dovich (SZ) angular power spectrum based on four models for the nonlinear gas distribution. The frequency-dependent SZ temperature fluctuations, with thermal (TSZ) and kinetic (KSZ) contributions, are calculated by tracing through a dark matter simulation, processed to include gas in dark matter halos and in the filamentary intergalactic medium. Differen...

Journal: :Optics letters 2014
Longju Liu Zhen Xu Liang Dong Meng Lu

An angular spectrum analysis system was demonstrated to monitor the optical resonant mode of a photonic crystal (PC) sensor comprised of a one-dimensional grating structure. Exposed to solutions with different refractive indices or adsorbed with biomaterials, the PC sensor exhibited changes of the optical resonant modes. The developed detection system utilized a focused laser beam to detect shi...

2008
JOUNGHUN LEE

We analyze the photometric redshift catalog of the Sloan Digital Sky Survey Data Release 5 (SDSS DR5) to estimate the Fisher information in the galaxy angular power spectrum with the help of the Rimes-Hamilton technique. It is found that the amount of Fisher information contained in the galaxy angular power spectrum is saturated at lensing multipole scale 300 ≤ l ≤ 2000 in the redshift range 0....

2002
R. Aurich

Dark energy models due to a slowly evolving scalar (quintessence) field φ are studied for various potentials V (φ) in a universe with negative curvature. The potentials differ in whether they possess a minimum at φ = 0 or are monotonically declining, i. e. have a minimum at infinity. The angular power spectrum Cl of the cosmic microwave background (CMB) as well as the magnitude-redshift relatio...

Journal: :international journal of nano dimension 0
h. khajeh salehani young researchers club, damavand branch, islamic azad university, damavand, iran. kh. shakouri young researchers club, damavand branch, islamic azad university, damavand, iran. m. esmaeilzadeh department of physics, iran university of science and technology, tehran, iran. m. h. majlesara department of physics, tarbiat moallem university, tehran, iran.

in this paper, the electronic eigenstates and energy spectra of single and two-interacting electrons confined in a concentric double quantum rings with a perpendicular magnetic field in the presence of         on-center donor and acceptor impurities are calculated using the exact diagonalization method. for a single electron case, the binding energy of on-center donor and acceptor impurities ar...

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