# Primordial gravity wave background anisotropies

@article{Alba2015PrimordialGW, title={Primordial gravity wave background anisotropies}, author={Vasyl Alba and Juan Martin Maldacena}, journal={Journal of High Energy Physics}, year={2015}, volume={2016}, pages={1-8} }

A bstractWe consider the primordial gravity wave background produced by inflation. We compute the small anisotropy produced by the primordial scalar fluctuations.

## 29 Citations

### Gravitational wave anisotropies from primordial black holes

- PhysicsJournal of Cosmology and Astroparticle Physics
- 2020

An observable stochastic background of gravitational waves is generated whenever primordial black holes are created in the early universe thanks to a small-scale enhancement of the curvature…

### Enhancing gravitational wave anisotropies with peaked scalar sources

- Physics
- 2022

. Gravitational wave (GW) backgrounds of cosmological origin are expected to be nearly isotropic, with small anisotropies resembling those of the cosmic microwave background. We analyse the case of a…

### Multimessenger cosmology: Correlating cosmic microwave background and stochastic gravitational wave background measurements

- Physics
- 2021

Characterizing the physical properties of the stochastic gravitational wave background (SGWB) is a key step towards identifying the nature of its possible origin. We focus our analysis on SGWB…

### Primordial stochastic gravitational wave background anisotropies: in-in formalization and applications

- PhysicsJournal of Cosmology and Astroparticle Physics
- 2022

Primordial non-Gaussianities of the scalar(tensor)-tensor-tensor type supporting a non-trivial squeezed component are known to induce anisotropies in the stochastic gravitational wave background. We…

### Testing the early universe with anisotropies of the gravitational wave background

- Physics
- 2022

In this work we analyse in detail the possibility of using small and intermediate-scale gravitational wave anisotropies to constrain the inflationary particle content. First, we develop a…

### Cross-correlations as a diagnostic tool for primordial gravitational waves

- Physics
- 2020

We explore and corroborate, by working out explicit examples, the effectiveness of cross-correlating stochastic gravitational wave background anisotropies with CMB temperature fluctuations as a way…

### Gravitational waves from inflation

- Physics
- 2016

The production of a stochastic background of gravitational waves is a fundamental prediction of any cosmological inflationary model. The features of such a signal encode unique information about the…

### Imprint of relativistic particles on the anisotropies of the stochastic gravitational-wave background

- Physics
- 2021

The stochastic gravitational-wave background (SGWB) is expected to be a key observable for gravitational-wave interferometry. Its detection will open a new window on early Universe cosmology, on the…

### Gravitational waves and geometrical optics in scalar-tensor theories

- PhysicsJournal of Cosmology and Astroparticle Physics
- 2020

The detection of gravitational waves (GWs) propagating through cosmic structures can provide invaluable information on the geometry and content of our Universe as well as on the fundamental theory of…

### Deformation of the gravitational wave spectrum by density perturbations

- Physics, GeologyJournal of Cosmology and Astroparticle Physics
- 2020

We study the effect of primordial scalar curvature perturbations on the propagation of gravitational waves over cosmic distances. We point out that such curvature perturbations deform the isotropic…

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