In this paper, we investigate the quasinormal mode (QNM) spectra for scalar
perturbation over a quantum-corrected black hole (BH). The fundamental modes of
this quantum-corrected BH exhibit two key properties. Firstly, there is a
non-monotonic behavior concerning the quantum-corrected parameter for zero
multipole number. Secondly, the quantum gravity effects result in slower decay
modes. For higher overtones, a significant deviation becomes evident between
the quasinormal frequencies (QNFs) of the quantum-corrected and Schwarzschild
BHs. The intervention of quantum gravity corrections induces a significant
outburst of overtones. This outburst of these overtones can be attributed to
the distinctions near the event horizons between the Schwarzschild and
quantum-corrected BHs. Therefore, overtones can serve as a means to probe
physical phenomena or disparities in the vicinity of the event horizon.

The Quasinormal Mode Spectra of Quantum-Corrected Black Holes

In this paper, we explore the quasinormal mode (QNM) spectra for scalar perturbation over a quantum-corrected black hole (BH). The study of QNM in quantum-corrected BHs has revealed several interesting findings and raised important questions about the behavior of these objects.

Key Properties of Quantum-Corrected Black Holes

The fundamental modes of quantum-corrected BHs exhibit two crucial properties:

  1. Non-monotonic behavior: For zero multipole number, the quantum-corrected parameter shows a non-monotonic behavior. This suggests that the effect of quantum corrections on the BH is not a simple linear relationship. Further investigation into the nature of this behavior could provide insights into the underlying physics.
  2. Slower decay modes: The introduction of quantum gravity effects results in slower decay modes for the fundamental modes of the quantum-corrected BH. This implies that these BHs have a longer lifespan compared to their classical counterparts. Understanding the mechanisms behind this slower decay could have implications for various astrophysical phenomena.

Deviation between Quantum-Corrected and Schwarzschild Black Holes

For higher overtones, a significant deviation becomes evident between the quasinormal frequencies (QNFs) of quantum-corrected and Schwarzschild BHs. This deviation is a direct consequence of the intervention of quantum gravity corrections.

One notable aspect of this deviation is the outburst of overtones observed in quantum-corrected BHs. The event horizons of these BHs exhibit certain distinctions compared to Schwarzschild BHs, which give rise to this outburst. Exploring these overtones provides a unique opportunity to probe the physical phenomena and disparities in the vicinity of the event horizon.

Future Roadmap and Opportunities

The study of quasinormal mode spectra for quantum-corrected black holes opens up exciting avenues for future research. Here are some potential challenges and opportunities on the horizon:

Potential Challenges

  1. Understanding non-monotonic behavior: Investigating the non-monotonic behavior of the quantum-corrected parameter for zero multipole number requires a deeper understanding of the underlying physics. This may involve developing new theoretical frameworks or computational models.
  2. Deciphering slower decay modes: Unraveling the mechanisms behind the slower decay modes of quantum-corrected BHs is a complex task. It may involve studying the interaction between quantum gravity effects and other fundamental forces in nature.

Potential Opportunities

  1. Probing physical phenomena near event horizons: The outburst of overtones in quantum-corrected BHs offers an opportunity to investigate the distinct features near their event horizons. This could shed light on fundamental aspects of BH physics and potentially lead to the discovery of new phenomena.
  2. Exploring astrophysical implications: The slower decay modes of quantum-corrected BHs have implications for various astrophysical phenomena, such as gravitational wave signals or the behavior of matter in extreme environments. Studying these implications could provide insights into fundamental physics and astrophysics.

In conclusion, the study of quasinormal mode spectra for scalar perturbation over quantum-corrected black holes has revealed fascinating properties and challenges. By further investigating these phenomena, we can deepen our understanding of the nature of quantum-corrected BHs and potentially uncover new physics at the event horizon.

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