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Peer-reviewedCC BY 4.0Journal of High Energy Physics

Tidal response and thermodynamics of black holes

  • Itamar Cohen1
  • Dina Meylakh1
  • Michael Smolkin1
  • Israel Warszawiak1
  1. 1The Hebrew University of Jerusalem
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Abstract

A bstract : In this work, we revisit black hole Love numbers from two complementary perspectives. First, we develop a manifestly gauge-invariant framework that directly integrates out the short-distance degrees of freedom of a static black hole in arbitrary spacetime dimensions. This approach yields the effective point-particle action and its associated Love numbers without relying on the standard matching procedure or on the Regge-Wheeler equation and its associated master field. Second, we investigate the role of Love numbers in black hole thermodynamics by analyzing a Schwarzschild black hole subjected to various types of external perturbations. We show that Love numbers govern the induced polarization of the black hole and control the leading corrections to its thermodynamic properties, thereby clarifying their physical significance in black hole thermodynamics.

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Cite

BibTeXRIS
BibTeX
@article{cohen2026tidal,
  title = {{Tidal response and thermodynamics of black holes}},
  author = {Itamar Cohen and Dina Meylakh and Michael Smolkin and Israel Warszawiak},
  journal = {Journal of High Energy Physics},
  year = {2026},
  month = oct,
  doi = {10.1007/jhep10(2026)151},
  url = {https://link.springer.com/article/10.1007/JHEP10(2026)151},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Tidal response and thermodynamics of black holes
AU  - Itamar Cohen
AU  - Dina Meylakh
AU  - Michael Smolkin
AU  - Israel Warszawiak
PY  - 2026
DA  - 2026/10/14
JO  - Journal of High Energy Physics
DO  - 10.1007/jhep10(2026)151
UR  - https://link.springer.com/article/10.1007/JHEP10(2026)151
AB  - A bstract : In this work, we revisit black hole Love numbers from two complementary perspectives. First, we develop a manifestly gauge-invariant framework that directly integrates out the short-distance degrees of freedom of a static black hole in arbitrary spacetime dimensions. This approach yields the effective point-particle action and its associated Love numbers without relying on the standard matching procedure or on the Regge-Wheeler equation and its associated master field. Second, we investigate the role of Love numbers in black hole thermodynamics by analyzing a Schwarzschild black hole subjected to various types of external perturbations. We show that Love numbers govern the induced polarization of the black hole and control the leading corrections to its thermodynamic properties, thereby clarifying their physical significance in black hole thermodynamics.
SN  - 1029-8479
ER  -