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Recent developments in 3D gravity

Recent developments in 3D gravity. Niklas Johansson Vienna lunch club, Oct 14 based on work w/ Daniel Grumiller and Roman Jackiw. Outline. 3D gravity – hot or not? Topologically massive gravity Chiral gravity of Li, Song and Strominger – gravitons? Logarithmic modes Non-perturbatively

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Recent developments in 3D gravity

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  1. Recent developments in 3D gravity Niklas Johansson Vienna lunch club, Oct 14 based on work w/ Daniel Grumiller and Roman Jackiw

  2. Outline • 3D gravity – hot or not? • Topologically massive gravity • Chiral gravity of Li, Song and Strominger – gravitons? • Logarithmic modes • Non-perturbatively • Summary and outlook

  3. Outline Hot but problematic! • 3D gravity – hot or not? • Topologically massive gravity • Chiral gravity of Li, Song and Strominger – gravitons? • Logarithmic modes • Non-perturbatively • Summary and outlook New proposal! Is it stable? No.

  4. 3D gravity – why?

  5. Quantizing gravity – why?

  6. 3D gravity Deser and Jackiw

  7. AdS

  8. 3D gravity Achucarra and Townsend Witten Brown and Henneaux Bañados, Teitelboim and Zanelli

  9. 3D gravity Achucarra and Townsend Witten Brown and Henneaux Bañados, Teitelboim and Zanelli

  10. AdS-CFT

  11. AdS-CFT

  12. CFT

  13. CFT

  14. 3D gravity Achucarra and Townsend Witten Brown and Henneaux Bañados, Teitelboim and Zanelli

  15. Witten reconsidered... Maloney and Witten, ...

  16. Topologically massive gravity Deser, Jackiw and Templeton

  17. Topologically massive gravity

  18. Unstable!? Summary of CTMG

  19. 3D chiral gravity Li, Song and Strominger

  20. 3D chiral gravity

  21. Gravitons at .

  22. Gravitons at .

  23. Gravitons at .

  24. 3D chiral gravity

  25. Logarithmic modes Carlip, Deser, Waldron and Wise Daniel and I

  26. Logarithmic modes

  27. Logarithmic modes

  28. Harvard strikes back Li, Song and Strominger

  29. MIT/UU answers Daniel and I

  30. Argentina & NYC enters Giribet, Kleban and Porrati

  31. Non-perturbatively Daniel, Roman and I Carlip

  32. Summary

  33. Open questions

  34. Thank you!

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