Journal Club
Time and Place: Monday, 5-7pm, 501 DWB
Trinity Term 2014
- 05/05/14: No Journal Club
- 12/05/2014: Richard Davison (U. Leiden): Linear Resistivity from Hydrodynamics
Material: PaperAbstract: I will describe a simple physical mechanism whereby a strongly interacting metallic state, through weak interactions with random disorder, acquires an electrical resistivity which is proportional to its entropy. This is a phenomenologically attractive feature as both of these quantities are linear in temperature in the strange metal phase of the cuprates. The key assumption is that, unlike in a Fermi liquid, strong interactions cause the quick formation of a collective, hydrodynamic state with a minimal viscosity.
- 19/05/14: Jonas: Hamiltonian Formulation of Holographic Renormalization
- 26/05/14: Andrej Ficnar: Finite Endpoint Momentum Strings and Applications to Energy Loss
Abstract: I will argue that classical strings, both bosonic and supersymmetric, can have finite energy and momentum at their endpoints and show that, in a general curved background, the string endpoints must propagate along null geodesics as long as their energy remains finite. In the AdS/CFT context, the finite endpoint momentum construction suggests a clear definition of the instantaneous rate of energy loss and leads to greater stopping distances for light quarks than it has been possible for classical solutions considered previously. We will also develop a scheme for determining the light quark jet energy loss, use it to compute the nuclear modification factor RAA and compare it to the most recent results from the heavy ion program at RHIC and LHC.
- 02/06/14: Andy/Robert: TBA
- 09/06/14: No Journal Club
- 16/06/14: No Journal Club