1. Presentation of high-energy physics at Nordita Konstantin Zarembo Nordita, 25.05.11

2. People Faculty Paolo Di Vecchia Troels Harmark Sabine Hossenfelder Larus Thorlacius Konstantin Zarembo Fellows Valentina Puletti Sean Nowling Sami Nurmi Stefan Zieme Students Tobias Zingg

3. Research gauge/string duality: formal aspects  AdS/CFT correspondence  integrable systems gauge/gravity duality: applications  to condensed matter systems classical and quantum gravity  black holes  foundational aspects of QM and GR

4. Transplanckian scattering energy in c.o.m. frame scattering angle in c.o.m. frame non-pert. quantum gravity Gravitational radius: Classical GR!

5. impact parameter Small-angle scattering String theory: (stringy regime)

6. Transplanckian scattering on a D-brane D’Appollonio, Di Vecchia, Russo, Veneziano’10 D-brane (infintely heavy static source)

7. AdS/CFT correspondence 5D bulk 4D boundary z 0

8. z 0 string propagator in the bulk Two-point correlation functions

9. AdS/CFT correspondence

10. Strong-weak coupling interpolation Circular Wilson loop (exact): Erickson, Semenoff, Zarembo’00 0 λ SYM perturbation theory 1 + + … + String perturbation theory Minimal area law in AdS 5

11. Holographic metal Black hole horizon UV boundary asymptotically AdS “Fermi star” Puletti, Nowling, Thorlacius, Zingg’11

12. Holographic metal (ctd) Kubo formula for electric conductivity: Puletti, Nowling, Thorlacius, Zingg’11 Computed holographically from normal modes of BH in bulk

13. Witten diagrams

15. Holographic correlators of semiclassical states Zarembo’10

16. Holographic Schwinger effect L Wins energy if EL>2m. Imaginary-time tunneling picture Pair production rate: Holographic calculation: Semenoff, Zarembo’to appear