Concept
Gravitational potential
Related publications (149)
Time-Delay Cosmography: Measuring the Hubble Constant and Other Cosmological Parameters with Strong Gravitational Lensing
Frédéric Courbin, Martin Raoul Robert Millon
Multiply lensed images of a same source experience a relative time delay in the arrival of photons due to the path length difference and the different gravitational potentials the photons travel through. This effect can be used to measure absolute distance ...
Springer2024Piezoelectric Properties of BiFeO3 Exposed to High Temperatures
Dragan Damjanovic, Xiaolong Li
BiFeO3 is a ferroelectric with a Curie temperature of 830 C-degrees, however, its piezoelectric performance at high temperature remains unclear. The current work reveals a disappearance/recovery of piezoelectricity in BiFeO3 at elevated temperature and upo ...
Weinheim2024Birth and ascent of buoyant hydraulic fractures
Brice Tanguy Alphonse Lecampion, Andreas Möri
Hydraulic fracturing treatments are often used in petroleum and other industries to increase the permeability of rock formations and occur naturally as magmatic intrusions. The resulting fractures, propagating perpendicularly to the minimum in-situ stress ...
2023An Unbiased Method of Measuring the Ratio of Two Data Sets
Jean-Paul Richard Kneib, Huanyuan Shan
In certain cases of astronomical data analysis, the meaningful physical quantity to extract is the ratio R between two data sets. Examples include the lensing ratio, the interloper rate in spectroscopic redshift samples, and the decay rate of gravitational ...
IOP Publishing Ltd2023Propagation of planar three-dimensional buoyant hydraulic fractures
Hydraulic fractures are driven by an internal fluid pressure exceeding the minimum compressive stress, propagating in a direction perpendicular to the latter. This class of tensile fractures has gained interest over the last fifty years due to the developm ...
EPFL2023Evolution of the electrical double layer with electrolyte concentration probed by second harmonic scattering
Sylvie Roke, Arianna Marchioro, Bingxin Chu, Marie Bischoff
Investigating the electrical double layer (EDL) structure has been a long-standing challenge and has seen the emergence of several sophisticated techniques able to probe selectively the few molecular layers of a solid/water interface. While a qualitative e ...
ROYAL SOC CHEMISTRY2023Device, system, and method for ion fragmentation by use of an ion mobility device and messenger tagging
Thomas Rizzo, Ahmed Ben Faleh, Stephan Warnke
A device for fragmenting ions by collision induced dissociation, the device intended to be used together with a planar ion mobility apparatus, the device including a first conductive grid having a plurality of first openings, the first conductive grid conf ...
2023High entropy molybdate-derived FeOOH catalyzes oxygen evolution reaction in alkaline media
High-entropy materials are a new class of materials that have lately been developed and applied to a variety of potential fields. Here we present that electrochemical activation facilitates the application of high-entropy molybdates (HEMo) as oxygen evolut ...
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