Results 1 to 10 of about 201,686 (344)
In the gravitational sector, we study the CPT violation and birefringence in gravitational waves. In presence of the CPT violation, a relative dephasing is generated between two circular polarization states of gravitational waves. This effect induces the
Sai Wang
doaj +3 more sources
Quantum Emulation of Gravitational Waves. [PDF]
Gravitational waves, as predicted by Einstein's general relativity theory, appear as ripples in the fabric of spacetime traveling at the speed of light.
Fernandez-Corbaton I+5 more
europepmc +6 more sources
The First Detection of Gravitational Waves
This article deals with the first detection of gravitational waves by the advanced Laser Interferometer Gravitational Wave Observatory (LIGO) detectors on 14 September 2015, where the signal was generated by two stellar mass black holes with masses 36
Andrzej Królak, Mandar Patil
doaj +3 more sources
Chiral plasma instability and primordial gravitational waves
It is known that cosmic magnetic field, if present, can generate anisotropic stress in the plasma and hence, can act as a source of gravitational waves. These cosmic magnetic fields can be generated at very high temperature, much above electroweak scale,
Sampurn Anand+2 more
doaj +3 more sources
Gravitational Waves from Gravitational Collapse
Gravitational-wave emission from stellar collapse has been studied for nearly four decades. Current state-of-the-art numerical investigations of collapse include those that use progenitors with more realistic angular momentum profiles, properly treat ...
Chris L. Fryer, Kimberly C.B. New
exaly +2 more sources
Precise Orbit Determination and Accuracy Analysis for BDS-3 Satellites Using SLR Observations
Satellite laser ranging (SLR) is the space geodetic technique with the highest degree of range, measuring precision and distances right down to the millimeter level.
Zicong An+8 more
doaj +1 more source
Extraction of gravitational waves in numerical relativity [PDF]
Nigel T Bishop, Luciano Rezzolla
exaly +2 more sources
New determination of |V ub /V cb | from B s 0 $$ {B}_s^0 $$ → {K − , D s − $$ {D}_s^{-} $$ }μ + ν
We update the full set of B ¯ $$ \overline{B} $$ s → K form factors using light-cone sum rules with an on-shell kaon. Our approach determines the relevant sum rule parameters — the duality thresholds — from a Bayesian fit for the first time.
Carolina Bolognani+2 more
doaj +1 more source
High-Accuracy Guide Star Catalogue Generation with a Machine Learning Classification Algorithm
In order to detect gravitational waves and characterise their sources, three laser links were constructed with three identical satellites, such that interferometric measurements for scientific experiments can be carried out.
Jianming Zhang+4 more
doaj +1 more source
A distributed six-degree-of-freedom (6-DOF) cooperative control for multiple spacecraft formation is investigated considering parametric uncertainties, external disturbances, and time-varying communication delays.
Yu Zhang+4 more
doaj +1 more source