On the ambiguity in relativistic tidal deformability

Samuel E. Gralla

doi:10.1088/1361-6382/aab186

On the ambiguity in relativistic tidal deformability

Samuel E. Gralla

Physics

Research output: Contribution to journal › Article › peer-review

38 Scopus citations

Abstract

The LIGO collaboration recently reported the first gravitational-wave constraints on the tidal deformability of neutron stars. I discuss an inherent ambiguity in the notion of relativistic tidal deformability that, while too small to affect the present measurement, may become important in the future. I propose a new way to understand the ambiguity and discuss future prospects for reliably linking observed gravitational waveforms to compact object microphysics.

Original language	English (US)
Article number	085002
Journal	Classical and Quantum Gravity
Volume	35
Issue number	8
DOIs	https://doi.org/10.1088/1361-6382/aab186
State	Published - Mar 12 2018

Keywords

black holes
gravitational waves
neutron stars
tidal deformability

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1088/1361-6382/aab186

Cite this

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title = "On the ambiguity in relativistic tidal deformability",

abstract = "The LIGO collaboration recently reported the first gravitational-wave constraints on the tidal deformability of neutron stars. I discuss an inherent ambiguity in the notion of relativistic tidal deformability that, while too small to affect the present measurement, may become important in the future. I propose a new way to understand the ambiguity and discuss future prospects for reliably linking observed gravitational waveforms to compact object microphysics.",

keywords = "black holes, gravitational waves, neutron stars, tidal deformability",

author = "Gralla, {Samuel E.}",

note = "Funding Information: I wish to thank Eanna Flanagan and Eric Poisson for helpful correspondence. This work was supported by NSF grant 1506027 to the University of Arizona. Publisher Copyright: {\textcopyright} 2018 IOP Publishing Ltd.",

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N1 - Funding Information: I wish to thank Eanna Flanagan and Eric Poisson for helpful correspondence. This work was supported by NSF grant 1506027 to the University of Arizona. Publisher Copyright: © 2018 IOP Publishing Ltd.

PY - 2018/3/12

Y1 - 2018/3/12

N2 - The LIGO collaboration recently reported the first gravitational-wave constraints on the tidal deformability of neutron stars. I discuss an inherent ambiguity in the notion of relativistic tidal deformability that, while too small to affect the present measurement, may become important in the future. I propose a new way to understand the ambiguity and discuss future prospects for reliably linking observed gravitational waveforms to compact object microphysics.

AB - The LIGO collaboration recently reported the first gravitational-wave constraints on the tidal deformability of neutron stars. I discuss an inherent ambiguity in the notion of relativistic tidal deformability that, while too small to affect the present measurement, may become important in the future. I propose a new way to understand the ambiguity and discuss future prospects for reliably linking observed gravitational waveforms to compact object microphysics.

KW - black holes

KW - gravitational waves

KW - neutron stars

KW - tidal deformability

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M1 - 085002

ER -

On the ambiguity in relativistic tidal deformability

Abstract

Keywords

ASJC Scopus subject areas

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