Influence of Body Waves, Instrumentation Resonances, and Prior Assumptions on Rayleigh Wave Ellipticity Inversion for Shallow Structure at the InSight Landing Site
Sign Up to like & getrecommendations! Published in 2018 at "Space Science Reviews"
DOI: 10.1007/s11214-018-0529-y
Abstract: Based on an updated model of the regolith’s elastic properties, we simulate the ambient vibrations background wavefield recorded by InSight’s Seismic Experiment for Interior Structure (SEIS) on Mars to characterise the influence of the regolith… read more here.
Keywords: influence; rayleigh wave; ellipticity; instrumentation resonances ... See more keywords
Ellipticity of words
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Algebra"
DOI: 10.1016/j.jalgebra.2017.01.046
Abstract: Abstract We prove that an arbitrary word v of the free pro- p -group is elliptic on a pro- p -completion of a discrete finitely generated torsion residually- p group. read more here.
Keywords: ellipticity; ellipticity words;
The p-ellipticity condition for second order elliptic systems and applications to the Lamé and homogenization problems
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Differential Equations"
DOI: 10.1016/j.jde.2021.08.036
Abstract: The notion of $p$-ellipticity has recently played a significant role in improving our understanding of issues of solvability of boundary value problems for scalar complex valued elliptic PDEs. In particular, the presence of $p$-ellipticity ensures… read more here.
Keywords: ellipticity; second order; order elliptic; homogenization ... See more keywords
Environmental dependence of ellipticity correlation functions of intrinsic alignments
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Cosmology and Astroparticle Physics"
DOI: 10.1088/1475-7516/2019/04/031
Abstract: In this work we investigate the environmental dependence of the intrinsic ellipticity correlations in cosmic shear surveys. We use the quadratic and linear alignment model to describe the contributions by spiral and elliptical galaxies, respectively.… read more here.
Keywords: dependence; ellipticity correlation; ellipticity; tensor ... See more keywords
A study of the lateral heterogeneity with the ellipticity of Rayleigh waves derived from microtremors
Sign Up to like & getrecommendations! Published in 2021 at "Geophysical Journal International"
DOI: 10.1093/gji/ggab075
Abstract: We examine the potential of frequency-dependent Rayleigh wave ellipticity, derived from microtremors, for the investigation of heterogeneous subsurface structure. Based on numerical simulation, we analyse the effects of interference waves in microtremors, primarily the various… read more here.
Keywords: ellipticity; propagation; rayleigh waves; derived microtremors ... See more keywords
Rayleigh wave three-component beamforming: signed ellipticity assessment from high-resolution frequency-wavenumber processing of ambient vibration arrays
Sign Up to like & getrecommendations! Published in 2018 at "Geophysical Journal International"
DOI: 10.1093/gji/ggy286
Abstract: S U M M A R Y The variation of Rayleigh ellipticity versus frequency is gaining popularity in site characterization. It becomes a necessary observable to complement dispersion curves when inverting shear wave velocity profiles.… read more here.
Keywords: ellipticity; high resolution; three component; rayleigh wave ... See more keywords
Constraining the ellipticity and frequency of binary neutron star remnant via its gravitational-wave and electromagnetic radiations
Sign Up to like & getrecommendations! Published in 2023 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stad1266
Abstract: The nature of the merger remnant of binary neutron star (BNS) remains an open question. From the theoretical point of view, one possible outcome is a supra-massive neutron star (SMNS), which is supported by rigid… read more here.
Keywords: binary neutron; frequency; ellipticity; neutron star ... See more keywords
Anisotropies of galaxy ellipticity correlations in real and redshift space: angular dependence in linear tidal alignment model
Sign Up to like & getrecommendations! Published in 2020 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnrasl/slaa024
Abstract: Investigating intrinsic alignments (IAs) of galaxy shapes is important not only to constrain cosmological parameters unbiasedly from gravitational lensing but also to extract cosmological information complimentary to galaxy clustering analysis. We derive simple and useful… read more here.
Keywords: ellipticity; intrinsic ellipticity; angular dependence; redshift space ... See more keywords
Roles of laser ellipticity in attoclocks
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review A"
DOI: 10.1103/physreva.107.043109
Abstract: We study ionization of atoms in strong elliptically-polarized laser fields numerically and analytically. We focus on effects of laser ellipticity on the offset angle in photoelectron momentum distribution. This angle is considered to encode time… read more here.
Keywords: ionization; laser ellipticity; roles laser; ellipticity ... See more keywords
The Measurement of PSF Ellipticity of an Unobstructed Off-Axis Space Telescope: Error Analysis
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3108638
Abstract: It is an effective method to detect weak gravitational lensing (WL) in the universe by measuring ellipticities of galaxies via astronomical telescopes. Optical properties of telescopes are critical to WL detections. To ensure the used… read more here.
Keywords: ellipticity; psf ellipticity; ellipticity unobstructed; error ... See more keywords
Polarization Responses of a Solitary and Optically Injected Vertical Cavity Spin Laser
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Journal of Quantum Electronics"
DOI: 10.1109/jqe.2019.2940041
Abstract: The polarisation properties of a quantum well spin – vertical cavity surface emitting laser (spin – VCSEL), both without injection and with variable polarisation optical injection, are investigated experimentally and compared with the spin flip… read more here.
Keywords: ellipticity; vertical cavity; spin; laser ... See more keywords