Baryon acoustic oscillation, Hubble parameter, and angular size measurement constraints on the Hubble constant, dark energy dynamics, and spatial curvature [PDF]
Monthly notices of the Royal Astronomical Society, 2019 In this paper, we use all available baryon acoustic oscillation, Hubble parameter, and quasar angular size data to constrain six dark energy cosmological models, both spatially flat and non-flat.
Joseph Ryan, Yun Chen, Bharat Ratra
semanticscholar +1 more source
Numerical Investigation of Flow Characteristics in a Centrifugal Pump Impeller with Sinusoidal Flow Rates of Different Oscillation Amplitudes [PDF]
Journal of Applied Fluid Mechanics, 2022 This study describes the large eddy simulations of a centrifugal pump impeller considering a sinusoidal flow rate and a constant rotation speed. Five different oscillation amplitudes of flow rate (A = 0.1Qd, 0.15Qd, 0.2Qd, 0.25Qd, and 0.3Qd, Qd indicates
Y. Li, W. Zhang, X. Chen
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Measuring the Hubble constant and spatial curvature from supernova apparent magnitude, baryon acoustic oscillation, and Hubble parameter data [PDF]
Astrophysics and Space Science, 2018 Cosmic microwave background (CMB) anisotropy (spatial inhomogeneity) data provide the tightest constraints on the Hubble constant, matter density, spatial curvature, and dark energy dynamics.
Chan-Gyung Park, Bharat Ratra
semanticscholar +1 more source
MSLED, neutrino oscillations and the cosmological constant [PDF]
Journal of High Energy Physics, 2005 We explore the implications for neutrino masses and mixings within the minimal version of the supersymmetric large-extra-dimensions scenario (MSLED). This model was proposed in {\tt hep-ph/0404135} to extract the phenomenological implications of the promising recent attempt (in {\tt hep-th/0304256}) to address the cosmological constant problem ...
Matias, J., Burgess, C. P.
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Fast Apparent Oscillations of Fundamental Constants
Annalen der Physik, 2020 AbstractPrecision spectroscopy of atoms and molecules allows one to search for and to put stringent limits on the variation of fundamental constants. These experiments are typically interpreted in terms of variations of the fine structure constant α and the electron‐to‐proton mass ratio .
Antypas, Dionysios +5 more
openaire +6 more sources
Frictional behavior of quartz gouge during slide-hold-slide considering normal stress oscillation
International Journal of Coal Science & Technology, 2023 Slide-hold-slide (SHS) test is an essential experimental approach for studying the frictional stability of faults. The origin SHS framework was established based on a consistent constant normal stress, which cannot truly reflect the stress disturbance ...
Kang Tao, Wengang Dang
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Observation of Landau Level-Dependent Aharonov-Bohm-Like Oscillations in a Topological Insulator
Nanoscale Research Letters, 2020 We study the quantum oscillations in the BiSbTe3 topological insulator. In addition to the Shubnikov-de Haas (SdH) oscillation, the Aharonov-Bohm-like (ABL) oscillations are also observed.
Shiu-Ming Huang +8 more
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Elucidating ΛCDM: Impact of Baryon Acoustic Oscillation Measurements on the Hubble Constant Discrepancy [PDF]
, 2017 We examine the impact of baryon acoustic oscillation (BAO) scale measurements on the discrepancy between the value of the Hubble constant (H0) inferred from the local distance ladder and that from Planck cosmic microwave background (CMB) data.
G. Addison +5 more
semanticscholar +1 more source
Hubble Parameter and Baryon Acoustic Oscillation Measurement Constraints on the Hubble Constant, the Deviation from the Spatially Flat ΛCDM Model, the Deceleration–Acceleration Transition Redshift, and Spatial Curvature [PDF]
, 2017 We compile a complete collection of reliable Hubble parameter H(z) data to redshift z ≤ 2.36 and use them with the Gaussian Process method to determine continuous H(z) functions for various data subsets.
Hai-Bo Yu, Bharat Ratra, Fa-yin Wang
semanticscholar +1 more source
Oscillation and non-oscillation criterion for Riemann–Weber type half-linear differential equations
Electronic Journal of Qualitative Theory of Differential Equations, 2016 By the combination of the modified half-linear Prüfer method and the Riccati technique, we study oscillatory properties of half-linear differential equations.
Petr Hasil, Michal Veselý
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