Challenges and opportunities of gravitational-wave searches at MHz to GHz frequencies

N Aggarwal, OD Aguiar, A Bauswein, G Cella… - Living reviews in …, 2021 - Springer
The first direct measurement of gravitational waves by the LIGO and Virgo collaborations
has opened up new avenues to explore our Universe. This white paper outlines the …

Detecting high-frequency gravitational waves with microwave cavities

A Berlin, D Blas, RT D'Agnolo, SAR Ellis, R Harnik… - Physical Review D, 2022 - APS
We give a detailed treatment of electromagnetic signals generated by gravitational waves
(GWs) in resonant cavity experiments. Our investigation corrects and builds upon previous …

Novel search for high-frequency gravitational waves with low-mass axion haloscopes

V Domcke, C Garcia-Cely, NL Rodd - Physical Review Letters, 2022 - APS
Gravitational waves (GWs) generate oscillating electromagnetic effects in the vicinity of
external electric and magnetic fields. We discuss this phenomenon with a particular focus on …

Detecting single gravitons with quantum sensing

G Tobar, SK Manikandan, T Beitel, I Pikovski - Nature Communications, 2024 - nature.com
The quantization of gravity is widely believed to result in gravitons–particles of discrete
energy that form gravitational waves. But their detection has so far been considered …

New horizons: Scalar and vector ultralight dark matter

D Antypas, A Banerjee, C Bartram… - arXiv preprint arXiv …, 2022 - arxiv.org
The last decade has seen unprecedented effort in dark matter model building at all mass
scales coupled with the design of numerous new detection strategies. Transformative …

Proximitized materials

I Žutić, A Matos-Abiague, B Scharf, H Dery… - Materials Today, 2019 - Elsevier
Advances in scaling down heterostructures and having an improved interface quality
together with atomically thin two-dimensional materials suggest a novel approach to …

Hunt for light primordial black hole dark matter with ultrahigh-frequency gravitational waves

G Franciolini, A Maharana, F Muia - Physical Review D, 2022 - APS
Light primordial black holes may comprise a dominant fraction of the dark matter in our
Universe. This paper critically assesses whether planned and future gravitational wave …

High-frequency gravitational wave detection via optical frequency modulation

T Bringmann, V Domcke, E Fuchs, J Kopp - Physical Review D, 2023 - APS
High frequency gravitational waves can be detected by observing the frequency modulation
they impart on photons. We discuss fundamental limitations to this method related to the fact …

The challenge of ruling out inflation via the primordial graviton background

S Vagnozzi, A Loeb - The Astrophysical Journal Letters, 2022 - iopscience.iop.org
Recent debates around the testability of the inflationary paradigm raise the question of how
to model-independently discriminate it from competing scenarios. We argue that a detection …

The primordial black holes that disappeared: connections to dark matter and MHz-GHz gravitational Waves

TC Gehrman, BSE Haghi, K Sinha… - Journal of Cosmology and …, 2023 - iopscience.iop.org
In the post-LIGO era, there has been a lot of focus on primordial black holes (PBHs) heavier
than∼ 10 15 g as potential dark matter (DM) candidates. We point out that the branch of the …