Results 1 to 10 of about 15,266,194 (372)

On the Mass-to-Light Ratio of Large Scale Structure [PDF]

open access: yesThe Astrophysical Journal, 2004
We examine the dependence of the mass-to-light (M/L) ratio of large-scale structure on cosmological parameters, in models that are constrained to match observations of the projected galaxy correlation function w(rp). For a sequence of cosmological models
Tinker, Jeremy L.   +3 more
core   +6 more sources

The Flatness of Mass-to-Light Ratio on Large Scales [PDF]

open access: yesThe Astrophysical Journal, 1999
It has been suggested that the mass-to-light ($M/L$) ratio of gravitationally clustering objects is scale-independent on scales beyond galaxy clusters, and may also be independent of the mass of the objects. In this paper, we show that the scale behavior
Li-Zhi Fang, Webster M., Wen Xu
core   +6 more sources

An accurate bound on tensor-to-scalar ratio and the scale of inflation [PDF]

open access: yes, 2014
In this paper we provide an accurate bound on primordial gravitational waves, i.e. tensor-to-scalar ratio $(r)$ for a general class of single-field models of inflation where inflation occurs always below the Planck scale, and the field displacement ...
Choudhury, Sayantan, Mazumdar, Anupam
core   +4 more sources

Influence of the atomic-scale inhomogeneity of the pair interaction on extracted from the STM spectra characteristics of high-$T_c$ superconductors [PDF]

open access: yes, 2008
The influence of the atomic-scale inhomogeneities of the pairing interaction strength on the superconducting order parameter and the conductance spectra measurable by STM is studied in the framework of weak-coupling BCS-like theory for two-dimensional ...
A. M. Bobkov, I. Martin, I. V. Bobkova
core   +1 more source

Scale-Dependent Bias of Galaxies from Baryonic Acoustic Oscillations [PDF]

open access: yes, 2010
Baryonic acoustic oscillations (BAOs) modulate the density ratio of baryons to dark matter across large regions of the Universe. We show that the associated variation in the mass-to-light ratio of galaxies should generate an oscillatory, scale-dependent ...
Abraham Loeb   +18 more
core   +1 more source

Large-to small-scale dynamo in domains of large aspect ratio: kinematic regime [PDF]

open access: yes, 2016
The Sun’s magnetic field exhibits coherence in space and time on much larger scales than the turbulent convection that ultimately powers the dynamo. In this work, we look for numerical evidence of a large-scale magnetic field as the magnetic Reynolds ...
Proctor, Michael R.E.   +2 more
core   +1 more source

Conformal Symmetry as a Template: Commensurate Scale Relations and Physics Renormalization Schemes [PDF]

open access: yes, 1999
Commensurate scale relations are perturbative QCD predictions which relate observable to observable at fixed relative scale, such as the "generalized Crewther relation", which connects the Bjorken and Gross-Llewellyn Smith deep inelastic scattering sum ...
Brodsky, Stanley J., Rathsman, Johan
core   +3 more sources

Upper Bound on the Tensor-to-Scalar Ratio in GUT-Scale Supersymmetric Hybrid Inflation [PDF]

open access: yes, 2014
We explore the upper bound on the tensor-to-scalar ratio $r$ in supersymmetric (F-term) hybrid inflation models with the gauge symmetry breaking scale set equal to the value $2.86\cdot10^{16} {\rm GeV}$, as dictated by the unification of the MSSM gauge ...
Civiletti, Matthew   +2 more
core   +3 more sources

Resolving Scale Ambiguity Via XSlit Aspect Ratio Analysis

open access: yes, 2015
In perspective cameras, images of a frontal-parallel 3D object preserve its aspect ratio invariant to its depth. Such an invariance is useful in photography but is unique to perspective projection.
Kang, Sing Bing   +3 more
core   +1 more source

Effective Radii and Color Gradients in Radio Galaxies [PDF]

open access: yes, 1999
We present de Vaucouleurs' effective radii in B and R bands for a sample of Molonglo Reference Catalogue radio galaxies and a control sample of normal galaxies. We use the ratio of the scale lengths in the two bands as an indicator to show that the radio
Ajit Kembhavi   +5 more
core   +2 more sources

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