Terrestrial gravity fluctuations

J Harms - Living reviews in relativity, 2015 - Springer
Different forms of fluctuations of the terrestrial gravity field are observed by gravity
experiments. For example, atmospheric pressure fluctuations generate a gravity-noise …

ELGAR—a European laboratory for gravitation and atom-interferometric research

B Canuel, S Abend, P Amaro-Seoane… - … and Quantum Gravity, 2020 - iopscience.iop.org
Gravitational waves (GWs) were observed for the first time in 2015, one century after
Einstein predicted their existence. There is now growing interest to extend the detection …

Site-selection criteria for the Einstein Telescope

F Amann, F Bonsignorio, T Bulik, HJ Bulten… - Review of Scientific …, 2020 - pubs.aip.org
ABSTRACT The Einstein Telescope (ET) is a proposed next-generation, underground
gravitational-wave detector to be based in Europe. It will provide about an order of …

Impact of correlated seismic and correlated Newtonian noise on the Einstein Telescope

K Janssens, G Boileau, N Christensen, F Badaracco… - Physical Review D, 2022 - APS
Correlated noise could impact the search for the gravitational wave background at future
Earth-based gravitational-wave detectors. Due to the small distance (∼ 400 m) between the …

A lower limit for Newtonian-noise models of the Einstein Telescope

J Harms, L Naticchioni, E Calloni, R De Rosa… - The European Physical …, 2022 - Springer
Abstract The Einstein Telescope (ET) is a proposed third-generation gravitational-wave
(GW) underground observatory. It will have greatly increased sensitivity compared to current …

Technologies for the ELGAR large scale atom interferometer array

B Canuel, S Abend, P Amaro-Seoane… - arXiv preprint arXiv …, 2020 - arxiv.org
We proposed the European Laboratory for Gravitation and Atom-interferometric Research
(ELGAR), an array of atom gradiometers aimed at studying space-time and gravitation with …

Simulations of gravitoelastic correlations for the Sardinian candidate site of the Einstein Telescope

T Andric, J Harms - Journal of Geophysical Research: Solid …, 2020 - Wiley Online Library
Gravity fluctuations produced by ambient seismic fields are predicted to limit the sensitivity of
the next generation, gravitational wave detector Einstein Telescope at frequencies below 20 …

Low coherency of wind induced seismic noise: implications for gravitational wave detection

H Satari, C Blair, L Ju, D Blair, C Zhao… - … and Quantum Gravity, 2022 - iopscience.iop.org
Seismic noise poses challenges for gravitational wave detection. Effective vibration isolation
and methods to subtract unshieldable Newtonian noise (NN) are examples. Seismic arrays …

Newtonian-noise reassessment for the Virgo gravitational-wave observatory including local recess structures

A Singha, S Hild, J Harms - Classical and Quantum Gravity, 2020 - iopscience.iop.org
Abstract The LIGO and Virgo Scientific Collaborations have cataloged ten confident
detections from binary black holes and one from binary neutron stars in their first two …

Seismic noise characterisation at a potential gravitational wave detector site in Australia

H Satari, C Blair, L Ju, D Blair, C Zhao… - … and Quantum Gravity, 2023 - iopscience.iop.org
A critical consideration in the design of next-generation gravitational wave detectors is the
understanding of the seismic environment that can introduce coherent and incoherent noise …