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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 13 October 2017

Mike Blake: Diffusion and Chaos in Quantum Matter

1:00pm, CM221

In this talk I will discuss recent developments that have suggested new connections between the transport properties of quantum matter and many-body chaos. In particular I will describe how in many holographic theories there are simple relationships between the thermoelectric diffusion constants and the butterfly velocity, which describes the speed at which chaos propagates.

Contact daniele.dorigoni@durham.ac.uk, jyotirmoy.bhattacharya@durham.ac.uk for more information about this event.


: Welcome Lunch for all Women in the Department

1:00pm, Abbey House

Contact cafedestheologiennes@gmail.com for more information about this event.


Marcus Waurick: Homogenisation and continuous dependence of solutions of pdes on the coefficients

2:00pm, CM219

In the setting of so-called evolutionary equations invented by Rainer Picard in 2009 we identify homogenisation problems as being equivalent to a certain type of a continuity property of solution operators. Indeed, it can be shown that $G$-convergence of matrix-coefficients is equivalent to convergence of certain inverses in the weak operator topology. With this, one can show various homogenisation results for a wide class of standard linear equations in mathematical physics. Furthermore, the genericity of memory effects to arise due to the homogenisation process in the context Maxwell's equations can be explained by operator-theoretic means.

Contact david.bourne@durham.ac.uk for more information about this event.