Effect of inhomogeneities on the propagation of gravitational waves from binaries of compact objects
@article{Pandey2022EffectOI, title={Effect of inhomogeneities on the propagation of gravitational waves from binaries of compact objects}, author={Shashank Pandey and Arnab Sarkar and Amna Ali and Archan S. Majumdar}, journal={Journal of Cosmology and Astroparticle Physics}, year={2022}, volume={2022} }
We consider the propagation of gravitational waves in the late time Universe with the presence of structure. Before detection, gravitational waves emitted from distant sources have to traverse through regions of spacetime which are far from smooth and homogeneous. We investigate the effect of inhomogeneities on the observables associated with the gravitational wave sources. In particular, we evaluate the impact of inhomogeneities on gravitational wave propagation by employing Buchert's…
References
SHOWING 1-10 OF 84 REFERENCES
Phase transitions in an expanding universe: stochastic gravitational waves in standard and non-standard histories
- PhysicsJournal of Cosmology and Astroparticle Physics
- 2021
We undertake a careful analysis of stochastic gravitational wave production from cosmological phase transitions in an expanding universe, studying both a standard radiation as well as a matter…
Null geodesics and observational cosmology
- Physics
- 2008
The Universe is not isotropic or spatially homogeneous on local scales. The averaging of local inhomogeneities in general relativity can lead to significant dynamical effects on the evolution of the…
Isotropic Space with Discrete Gravitational-Field Sources. On the Theory of a Nonhomogeneous Isotropic Universe
- Physics
- 1998
Existing cosmological theories are based on Einstein's law of gravitation (7). In this equation the average is taken only in the right-hand side by a substitution of the energy momentum tensor…
On cosmic acceleration without dark energy
- Physics
- 2006
We elaborate on the proposal that the observed acceleration of the Universe is the result of the backreaction of cosmological perturbations, rather than the effect of a negative-pressure dark-energy…
Interpretation of the Hubble diagram in a nonhomogeneous universe
- Physics
- 2013
In the standard cosmological framework, the Hubble diagram is interpreted by assuming that the light emitted by standard candles propagates in a spatially homogeneous and isotropic spacetime.…
Light propagation in the averaged universe
- Physics
- 2014
Cosmic structures determine how light propagates through the Universe and consequently must be taken into account in the interpretation of observations. In the standard cosmological model at the…
Testing backreaction effects with observations
- Physics
- 2009
In order to quantitatively test the ability of averaged inhomogeneous cosmologies to correctly describe observations of the large-scale properties of the Universe, we introduce a smoothed template…
Redshift drift in an inhomogeneous universe: averaging and the backreaction conjecture
- Physics
- 2015
An expression for the average redshift drift in a statistically homogeneous and isotropic dust universe is given. The expression takes the same form as the expression for the redshift drift in FLRW…
Can the acceleration of our universe be explained by the effects of inhomogeneities
- Physics
- 2006
No, it is simply not plausible that cosmic acceleration could arise within the context of general relativity from a back-reaction effect of inhomogeneities in our universe, without the presence of a…
Detectability of Gravitational Waves from High-Redshift Binaries.
- PhysicsPhysical review letters
- 2016
The capabilities of current gravitational-wave observatories to detect individual binaries are studied and it is demonstrated that, contrary to conventional wisdom, some are, in principle, detectable throughout the Universe.