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Peer-reviewedCC BY 4.0The European Physical Journal C

Gravitational wave signatures of magnetized Ernst black hole

  • Fazlay Ahmed1
  • Sanjar Shaymatov2,3,4
  • Chengxun Yuan5
  • Salah Nasri6
6 affiliations
  1. 1IITM College of Engineering
  2. 2Institute of Fundamental and Applied Research, National Research University TIIAME
  3. 3University of Tashkent for Applied Sciences
  4. 4National University of Uzbekistan
  5. 5Harbin Institute of Technology
  6. 6United Arab Emirates University
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Abstract

We investigate gravitational wave (GW) emission from periodic timelike orbits of a test particle around a magnetized Ernst black hole and the gravitational waveforms generated by their orbital dynamics. The bound geodesics are systematically classified using the zoom–whirl representation labeled with three integers ( z , w , v ). Gravitational waveforms are computed within a numerical framework that combines exact geodesic motion with the quadrupole approximation, which is well-suited to extreme mass-ratio inspirals (EMRIs). This analysis is particularly relevant for assessing the capability of future gravitational-wave observations to detect the effects of magnetic fields. Our results show that an intrinsic magnetic field imprints characteristic features on the GW signal, highlighting GW astronomy as a promising avenue for probing magnetized black hole spacetimes.

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Cite

BibTeXRIS
BibTeX
@article{ahmed2026gravitational,
  title = {{Gravitational wave signatures of magnetized Ernst black hole}},
  author = {Fazlay Ahmed and Sanjar Shaymatov and Chengxun Yuan and Salah Nasri},
  journal = {The European Physical Journal C},
  year = {2026},
  month = oct,
  doi = {10.1140/epjc/s10052-026-16454-w},
  url = {https://link.springer.com/article/10.1140/epjc/s10052-026-16454-w},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Gravitational wave signatures of magnetized Ernst black hole
AU  - Fazlay Ahmed
AU  - Sanjar Shaymatov
AU  - Chengxun Yuan
AU  - Salah Nasri
PY  - 2026
DA  - 2026/10/21
JO  - The European Physical Journal C
DO  - 10.1140/epjc/s10052-026-16454-w
UR  - https://link.springer.com/article/10.1140/epjc/s10052-026-16454-w
AB  - We investigate gravitational wave (GW) emission from periodic timelike orbits of a test particle around a magnetized Ernst black hole and the gravitational waveforms generated by their orbital dynamics. The bound geodesics are systematically classified using the zoom–whirl representation labeled with three integers ( z , w , v ). Gravitational waveforms are computed within a numerical framework that combines exact geodesic motion with the quadrupole approximation, which is well-suited to extreme mass-ratio inspirals (EMRIs). This analysis is particularly relevant for assessing the capability of future gravitational-wave observations to detect the effects of magnetic fields. Our results show that an intrinsic magnetic field imprints characteristic features on the GW signal, highlighting GW astronomy as a promising avenue for probing magnetized black hole spacetimes.
SN  - 1434-6044
SN  - 1434-6052
ER  -