Effects of Neutron-Star Dynamic Tides on Gravitational Waveforms within the Effective-One-Body Approach

被引：218

作者：

Hinderer, Tanja ^{[1
,2
]}

Taracchini, Andrea ^{[2
]}

Foucart, Francois ^{[3
]}

Buonanno, Alessandra ^{[2
]}

Steinhoff, Jan ^{[2
,4
]}

Duez, Matthew ^{[5
]}

Kidder, Lawrence E. ^{[6
]}

Pfeiffer, Harald P. ^{[7
]}

Scheel, Mark A. ^{[8
]}

Szilagyi, Bela ^{[8
,9
]}

Hotokezaka, Kenta ^{[10
]}

Kyutoku, Koutarou ^{[11
]}

Shibata, Masaru ^{[12
]}

Carpenter, Cory W. ^{[5
]}

机构：

[1] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[2] Albert Einstein Inst, Max Planck Inst Gravitat Phys, Muhlenberg 1, D-14476 Potsdam, Germany

[3] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA

[4] Univ Lisbon, Inst Super Tecn, Ctr Multidisciplinar Astrofis, Dept Fis, Ave Rovisco Pais 1, P-1049001 Lisbon, Portugal

[5] Washington State Univ, Dept Phys & Astron, Pullman, WA 99164 USA

[6] Cornell Univ, Cornell Ctr Astrophys & Planetary Sci, Ithaca, NY 14853 USA

[7] Univ Toronto, Canadian Inst Theoret Astrophys, Toronto, ON M5S 3H8, Canada

[8] CALTECH, Theoret Astrophys 350 17, Pasadena, CA 91125 USA

[9] CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA

[10] Hebrew Univ Jerusalem, Racah Inst Phys, IL-91904 Jerusalem, Israel

[11] RIKEN, Res Grp, Interdisciplinary Theoret Sci iTHES, 2-1 Hirosawa, Wako, Saitama 3510198, Japan

[12] Kyoto Univ, Yukawa Inst Theoret Phys, Kyoto 6068502, Japan

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 116卷 / 18期

基金：

美国国家科学基金会; 加拿大创新基金会; 加拿大自然科学与工程研究理事会;

关键词：

EQUATION-OF-STATE; COALESCING BINARIES;

D O I：

10.1103/PhysRevLett.116.181101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Extracting the unique information on ultradense nuclear matter from the gravitational waves emitted by merging neutron-star binaries requires robust theoretical models of the signal. We develop a novel effective-one-body waveform model that includes, for the first time, dynamic (instead of only adiabatic) tides of the neutron star as well as the merger signal for neutron-star-black-hole binaries. We demonstrate the importance of the dynamic tides by comparing our model against new numerical-relativity simulations of nonspinning neutron-star-black-hole binaries spanning more than 24 gravitational-wave cycles, and to other existing numerical simulations for double neutron-star systems. Furthermore, we derive an effective description that makes explicit the dependence of matter effects on two key parameters: tidal deformability and fundamental oscillation frequency.

引用

页数：6

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