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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.


March 2012
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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, 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 for more information about this event.