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Göttingen 2012 – scientific programme

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T: Fachverband Teilchenphysik

T 22: Quantenfeldtheorie

T 22.5: Talk

Wednesday, February 29, 2012, 17:45–18:00, VG 3.101

On stability and transport of cold holographic matter — •Shu Lin1, Johanna Erdmenger1, Jonathan Shock1, Steffen Müller1, Andy O’Bannon2, and Martin Ammon31Max-Planck-Institut für Physik, Munich, Germany — 2University of Cambridge, Cambridge, UK — 3University of California, Los Angeles, USA

In the framework of gauge/gravity duality, we have studied the stability of N=4 supersymmetric Yang-Mills theory with N=2 hypermultiplet at zero temperature and finite density. The system is analogous to the ground state of large Nc QCD at finite baryon density. While experience from large Nc suggests the formation of chiral density wave, our systematic study of the meson spectrum shows no sign of instability. Furthermore, we find a peculiar diffusion mode in the dispersion, which exists at zero temperature.

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