Probing Quantum Gravity Effects with Eccentric Extreme Mass-Ratio Inspirals

Fu, Guoyang; Liu, Yunqi; Wang, Bin; Wu, Jian-Pin; Zhang, Chao

Probing Quantum Gravity Effects with Eccentric Extreme Mass-Ratio Inspirals

Guoyang Fu
(
- Shanghai Jiaotong U.
)
,
Yunqi Liu
(
- Yangzhou U.
)
,
Bin Wang
(
- Yangzhou U. and
- Shanghai Jiao Tong U.
)
,
Jian-Pin Wu
(
- Yangzhou U.
)
,
Chao Zhang
(
- Ningbo U.
)

Sep 12, 2024

22 pages

e-Print:

2409.08138 [gr-qc]

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Abstract: (arXiv)

In this paper, we investigate the impact of loop quantum gravity (LQG) on extreme mass-ratio inspirals (EMRIs), and the results indicate that LQG effects cause the orbital decay to occur faster compared to the Schwarzschild case. Furthermore, we use the augmented analytic kludge approach to generate EMRI waveforms and study the LISA's capability to detect the LQG effect with faithfulness. Additionally, employing the Fisher information matrix method for parameter estimation, we estimate that after one year of observation, the uncertainty in

r_0

reduces to approximately

6.59\times 10^{-4}

with a signal-to-noise ratio of

49

.

Note:

22 pages,7 figures

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