Detecting Massive Scalar Fields with Extreme Mass-Ratio Inspirals

被引：30

作者：

Barsanti, Susanna ^{[1
,2
]}

Maselli, Andrea ^{[3
,4
]}

Sotiriou, Thomas P. ^{[5
,6
,7
]}

Gualtieri, Leonardo ^{[8
,9
]}

机构：

[1] Sapienza Univ Roma, Dipartimento Fis, Piazzale Aldo Moro 5, I-00185 Rome, Italy

[2] Sez INFN Roma1, I-00185 Rome, Italy

[3] Gran Sasso Sci Inst, I-67100 Laquila, Italy

[4] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, I-67100 Assergi, Italy

[5] Univ Nottingham, Sch Math Sci, Univ Pk, Nottingham NG7 2RD, England

[6] Univ Nottingham, Sch Phys & Astron, Univ Pk, Nottingham NG7 2RD, England

[7] Univ Nottingham, Nottingham Ctr Grav, Univ Pk, Nottingham NG7 2RD, England

[8] Univ Pisa, Dipartimento Fis, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy

[9] Sez INFN Pisa, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy

来源：

PHYSICAL REVIEW LETTERS | 2023年 / 131卷 / 05期

基金：

欧盟地平线“2020”;

关键词：

Gravity waves - High energy physics;

D O I：

10.1103/PhysRevLett.131.051401

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the imprint of light scalar fields on gravitational waves from extreme mass-ratio inspirals-binary systems with a very large mass asymmetry. We first show that, to leading order in the mass ratio, any effects of the scalar on the waveform are captured fully by two parameters: the mass of the scalar and the scalar charge of the secondary compact object. We then use this theory-agnostic framework to show that the future observations by LISA will be able to simultaneously measure both of these parameters with enough accuracy to detect ultralight scalars.

引用

页数：8

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