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Research

Research lectures, seminars and events

The events listed in this area are research seminars, workshops and lectures hosted by Durham University departments and research institutes. If you are not a member of the University, but  wish to enquire about attending one of the events please contact the organiser or host department.


 

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Events for 2 March 2012

Larus Thorlacius: Non-relativistic holography for quantum critical systems

1:00pm, CM221

We consider gravity duals for 2+1 dimensional quantum critical points with anisotropic scaling, where physics at finite temperature and charge density is described in terms of charged Lifshitz black branes in 3+1 dimensions. We use a combination of numerics and exact solutions to study equilibrium thermodynamics of a holographic system exhibiting Lifshitz scaling and present a simple model for the out-of-equilibrium dynamics following a holographic quench in such systems.

Contact tomas.andrade@durham.ac.uk, jonathan.pearson@durham.ac.uk, mukund.rangamani@durham.ac.uk for more information about this event.


Marco Marletta: Approximating the spectra of self-adjoint and dissipative operators

2:00pm, CG83

I will consider differential operators which are singular in some sense, in particular differential operators on infinite domains. With the help of Dirichlet-to-Neumann maps I will study the phenomenon of spectral pollution (or its absence) and how to push pollution out of the way when it does occur. The talk is based mainly on a single-author paper in IMAJNA (2010) and a recent joint paper with Rob Scheichl (to appear in J Spectral Theory).

Contact patrick.dondl@durham.ac.uk for more information about this event.