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<p>In this work, we have extensively investigated the dynamics of circular geodesic (chargeless massive particle) followed by the investigation of the pulsating classical string in the p-brane background. This study is a continuation of our previous work <a href="https://link.springer.com/article/10.1007/JHEP10(2023)189">JHEP10(2023)189</a>, in which we numerically identified the presence of chaos for a classical string hovering near generic p-branes (<i>p &lt;</i> 7). Here, for a particle probe, we have found evidence of chaos in the vicinity of the horizon. Furthermore, we observed a violation of the well-known MSS bound in specific extremal p-branes; however, no such violation is seen in the non-extremal cases. Similar observations were made for the classical string, where the violation of the bound is significant near the horizon. Thus, our semi-analytical arguments demonstrate that chaotic dynamics in black p-branes exhibit the (generalized) universal bound with notable violations, regardless of whether a particle or classical string is used as a probe.</p>

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Chaos bound and its violation in black p-brane

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年2月10日

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  • Pinaki Dutta,
  • Kamal L. Panigrahi,
  • Balbeer Singh

摘要

In this work, we have extensively investigated the dynamics of circular geodesic (chargeless massive particle) followed by the investigation of the pulsating classical string in the p-brane background. This study is a continuation of our previous work JHEP10(2023)189, in which we numerically identified the presence of chaos for a classical string hovering near generic p-branes (p < 7). Here, for a particle probe, we have found evidence of chaos in the vicinity of the horizon. Furthermore, we observed a violation of the well-known MSS bound in specific extremal p-branes; however, no such violation is seen in the non-extremal cases. Similar observations were made for the classical string, where the violation of the bound is significant near the horizon. Thus, our semi-analytical arguments demonstrate that chaotic dynamics in black p-branes exhibit the (generalized) universal bound with notable violations, regardless of whether a particle or classical string is used as a probe.