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PreprintarXiv licencearXiv

A Generalized Class of Taub-NUT-Scalar Metrics

  • Fataneh Bakherad
  • Behrouz Mirza
  • Reza Bahani
  • Mahnaz Tavakoli Kachi
  • Ali Derekeh
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Abstract

We consider a class of three-parameter metrics that was introduced in \cite{azizallahi2024three}. The class of metrics contain Zipoy-Voorhees (ZV) and Fisher-Janis-Newman- Winicour (FJNW) spacetimes at certain values of the parameters. We build an axially symmetric and asymptotically flat spacetime with gravitomagnetic effects by introducing a Newman- Unti-Tamburino (NUT) charge into this class of metrics via the Ehlers transformation. We investigate the physical features of this class of Taub-NUT-scalar (TNS) metrics including gravitational lensing, quasinormal mode (QNM) spectra, and test particle motion. Our results provide fresh insight on how mass, multipole moments, and gravitomagnetic fields behave in the presence of a scalar field and show the effect of the NUT charge on stability of orbits in this class of metrics.

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Cite

BibTeXRIS
BibTeX
@misc{bakherad2026generalized,
  title = {{A Generalized Class of Taub-NUT-Scalar Metrics}},
  author = {Fataneh Bakherad and Behrouz Mirza and Reza Bahani and Mahnaz Tavakoli Kachi and Ali Derekeh},
  howpublished = {arXiv},
  year = {2026},
  month = aug,
  doi = {10.48550/arxiv.2608.25368},
  eprint = {2608.25368},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.25368},
}
RIS
TY  - UNPB
TI  - A Generalized Class of Taub-NUT-Scalar Metrics
AU  - Fataneh Bakherad
AU  - Behrouz Mirza
AU  - Reza Bahani
AU  - Mahnaz Tavakoli Kachi
AU  - Ali Derekeh
PY  - 2026
DA  - 2026/08/26
PB  - arXiv
DO  - 10.48550/arxiv.2608.25368
UR  - https://arxiv.org/abs/2608.25368
AB  - We consider a class of three-parameter metrics that was introduced in \cite{azizallahi2024three}. The class of metrics contain Zipoy-Voorhees (ZV) and Fisher-Janis-Newman- Winicour (FJNW) spacetimes at certain values of the parameters. We build an axially symmetric and asymptotically flat spacetime with gravitomagnetic effects by introducing a Newman- Unti-Tamburino (NUT) charge into this class of metrics via the Ehlers transformation. We investigate the physical features of this class of Taub-NUT-scalar (TNS) metrics including gravitational lensing, quasinormal mode (QNM) spectra, and test particle motion. Our results provide fresh insight on how mass, multipole moments, and gravitomagnetic fields behave in the presence of a scalar field and show the effect of the NUT charge on stability of orbits in this class of metrics.
ER  -