PIRSA:14060002 Scientific Series Quantum Gravity

DOI10.48660/14060002

Series: Quantum Gravity

Liberati, S. (2014). Gravity, an unexpected journey: from thermodynamics to emergent gravity, Lorentz breaking and back.... Perimeter Institute. https://pirsa.org/14060002

Liberati, Stefano. Gravity, an unexpected journey: from thermodynamics to emergent gravity, Lorentz breaking and back.... Perimeter Institute, Jun. 19, 2014, https://pirsa.org/14060002 

@misc{ pirsa_PIRSA:14060002,
  doi = {10.48660/14060002},
  url = {https://pirsa.org/14060002},
  author = {Liberati, Stefano},
  keywords = {Quantum Gravity},
  language = {en},
  title = {Gravity, an unexpected journey: from thermodynamics to emergent gravity, Lorentz breaking and back...},
  publisher = {Perimeter Institute},
  year = {2014},
  month = {jun},
  note = {PIRSA:14060002 see, \url{https://pirsa.org}}
}

Abstract

Thermodynamical aspects of gravity have been a tantalising puzzle for more than forty years now and are still at the center of much activity in semiclassical and quantum gravity. We shall explore the possibility that they might hint toward an emergent nature of gravity exploring the possible implications of such hypothesis. Among these we shall focus on the possibility that Lorentz invariance might be only a low energy/emergent feature by discussing viable theoretical frameworks, present constraints and open issues which make this path problematic. In the end we shall focus on black hole thermodynamics in Lorentz breaking gravity by presenting some recent results that seems to hint towards a surprising resilience of thermodynamics aspect of gravity even in these scenarios.

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