Recent developments in 3D gravity Niklas Johansson Vienna lunch club, Oct 14 based on work w/ Daniel...
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![Page 1: Recent developments in 3D gravity Niklas Johansson Vienna lunch club, Oct 14 based on work w/ Daniel Grumiller and Roman Jackiw.](https://reader035.fdocuments.us/reader035/viewer/2022062421/56649d785503460f94a5a3c4/html5/thumbnails/1.jpg)
Recent developments in 3D gravity
Niklas Johansson
Vienna lunch club, Oct 14
based on work w/ Daniel Grumiller and Roman Jackiw
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Outline
1. 3D gravity – hot or not?
2. Topologically massive gravity
3. Chiral gravity of Li, Song and Strominger – gravitons?
4. Logarithmic modes
5. Non-perturbatively
6. Summary and outlook
![Page 3: Recent developments in 3D gravity Niklas Johansson Vienna lunch club, Oct 14 based on work w/ Daniel Grumiller and Roman Jackiw.](https://reader035.fdocuments.us/reader035/viewer/2022062421/56649d785503460f94a5a3c4/html5/thumbnails/3.jpg)
Outline
1. 3D gravity – hot or not?
2. Topologically massive gravity
3. Chiral gravity of Li, Song and Strominger – gravitons?
4. Logarithmic modes
5. Non-perturbatively
6. Summary and outlook
Hot but problematic!
New proposal!
Is it stable?
No.
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3D gravity – why?
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Quantizing gravity – why?
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3D gravity
Deser and Jackiw
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AdS
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3D gravity
Achucarra and Townsend
Witten
Bañados, Teitelboimand Zanelli
Brown and Henneaux
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3D gravity
Achucarra and Townsend
Witten
Bañados, Teitelboimand Zanelli
Brown and Henneaux
![Page 10: Recent developments in 3D gravity Niklas Johansson Vienna lunch club, Oct 14 based on work w/ Daniel Grumiller and Roman Jackiw.](https://reader035.fdocuments.us/reader035/viewer/2022062421/56649d785503460f94a5a3c4/html5/thumbnails/10.jpg)
AdS-CFT
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AdS-CFT
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CFT
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CFT
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3D gravity
Achucarra and Townsend
Witten
Bañados, Teitelboimand Zanelli
Brown and Henneaux
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Witten reconsidered...
Maloney and Witten, ...
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Topologically massive gravity
Deser, Jackiwand Templeton
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Topologically massive gravity
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Summary of CTMG
Unstable!?
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3D chiral gravity
Li, Song and Strominger
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3D chiral gravity
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Gravitons at .
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Gravitons at .
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Gravitons at .
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3D chiral gravity
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Logarithmic modes
Daniel and I
Carlip, Deser, Waldron and Wise
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Logarithmic modes
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Logarithmic modes
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Harvard strikes back
Li, Song and Strominger
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MIT/UU answers
Daniel and I
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Argentina & NYC enters
Giribet, Kleban and Porrati
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Non-perturbatively
Daniel, Roman and I
Carlip
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Summary
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Open questions
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Thank you!