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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 28 September 2018

DEI Fourth Annual Research Symposium: Is Renewable Energy Sustainable?

8:30am to 5:10pm, Rosemary Cramp Lecture Theatre, Calman Learning Centre

Contact lynn.gibson@durham.ac.uk for more information about this event.


Photography Competition

9:00am to 5:30pm

Contact lynn.gibson@Durham.ac.uk for more information about this event.


Gabriel Wong: Entanglement in a two-dimensional string theory

1:00pm, CM301

What is the meaning of entanglement in a theory of extended objects such as strings? To address this question we consider the spatial entanglement between two intervals in the Gross-Taylor model, the string theory dual to two-dimensional Yang-Mills theory at large N. The string diagrams that contribute to the entanglement entropy describe open strings with endpoints anchored to the entangling surface, as first argued by Susskind. We develop a canonical theory of these open strings, and describe how closed strings are divided into open strings at the level of the Hilbert space. We derive the Modular hamiltonian for the Hartle-Hawking state and show that the corresponding reduced density matrix describes a thermal ensemble of open strings ending on an object at the entangling surface that we call an E-brane.

Contact christiana.pantelidou@durham.ac.uk, mathew.r.bullimore@durham.ac.uk for more information about this event.


Three Minute Thesis Competition

2:00pm to 3:00pm

Contact lynn.gibson@Durham.ac.uk for more information about this event.