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

IF 26.3 2区物理与天体物理 Q1 PHYSICS, PARTICLES & FIELDS

Living Reviews in Relativity Pub Date : 2021-12-06 DOI:10.1007/s41114-021-00032-5

Nancy Aggarwal, Odylio D. Aguiar, Andreas Bauswein, Giancarlo Cella, Sebastian Clesse, Adrian Michael Cruise, Valerie Domcke, Daniel G. Figueroa, Andrew Geraci, Maxim Goryachev, Hartmut Grote, Mark Hindmarsh, Francesco Muia, Nikhil Mukund, David Ottaway, Marco Peloso, Fernando Quevedo, Angelo Ricciardone, Jessica Steinlechner, Sebastian Steinlechner, Sichun Sun, Michael E. Tobar, Francisco Torrenti, Caner Ünal, Graham White

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引用次数: 0

Abstract

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 challenges and gains expected in gravitational-wave searches at frequencies above the LIGO/Virgo band, with a particular focus on Ultra High-Frequency Gravitational Waves (UHF-GWs), covering the MHz to GHz range. The absence of known astrophysical sources in this frequency range provides a unique opportunity to discover physics beyond the Standard Model operating both in the early and late Universe, and we highlight some of the most promising gravitational sources. We review several detector concepts that have been proposed to take up this challenge, and compare their expected sensitivity with the signal strength predicted in various models. This report is the summary of the workshop “Challenges and opportunities of high-frequency gravitational wave detection” held at ICTP Trieste, Italy in October 2019, that set up the stage for the recently launched Ultra-High-Frequency Gravitational Wave (UHF-GW) initiative.

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在兆赫到千兆赫频率上进行引力波搜索的挑战与机遇

LIGO 和 Virgo 合作首次直接测量引力波为探索我们的宇宙开辟了新途径。本白皮书概述了在 LIGO/Virgo 波段以上频率进行引力波搜索所面临的挑战和预期收获，尤其侧重于超高频引力波（UHF-GWs），涵盖 MHz 到 GHz 范围。在这个频率范围内没有已知的天体物理源，这为发现在宇宙早期和晚期运行的超越标准模型的物理学提供了一个独特的机会，我们将重点介绍一些最有希望的引力源。我们回顾了为迎接这一挑战而提出的几种探测器概念，并将它们的预期灵敏度与各种模型预测的信号强度进行了比较。本报告是2019年10月在意大利的里雅斯特国际理论物理中心举行的 "高频引力波探测的挑战与机遇 "研讨会的总结，为最近启动的超高频引力波（UHF-GW）计划奠定了基础。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Living Reviews in Relativity 物理-物理：粒子与场物理

CiteScore

69.90

自引率

0.70%

发文量

审稿时长

20 weeks

期刊介绍： Living Reviews in Relativity is a peer-reviewed, platinum open-access journal that publishes reviews of research across all areas of relativity. Directed towards the scientific community at or above the graduate-student level, articles are solicited from leading authorities and provide critical assessments of current research. They offer annotated insights into key literature and describe available resources, maintaining an up-to-date suite of high-quality reviews, thus embodying the "living" aspect of the journal's title. Serving as a valuable tool for the scientific community, Living Reviews in Relativity is often the first stop for researchers seeking information on current work in relativity. Written by experts, the reviews cite, explain, and assess the most relevant resources in a given field, evaluating existing work and suggesting areas for further research. Attracting readers from the entire relativity community, the journal is useful for graduate students conducting literature surveys, researchers seeking the latest results in unfamiliar fields, and lecturers in need of information and visual materials for presentations at all levels.