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FIELD Phys: QUC
DATE July 29 (Wed), 2020
TIME 16:30-17:30
PLACE Zoom [link ∈ abstract]
SPEAKER Michael Spannowsky
HOST Park, Jae-hyeon
INSTITUTE IPPP, U Durham
TITLE Novel (Quantum) Computational Methods for Quantum Field Theories
ABSTRACT

I will discuss novel approaches to the task of finding a solution to a quantum field theoretical problem, e.g. tunnelling, in terms of an optimisation problem that can be solved either classically using machine learning methods or through a quantum computational ansatz. The general method we use is a discretisation of the field theory problem into a general Ising model, with the continuous field values being encoded into Ising spin chains. To illustrate the method, and as a simple proof of principle, we have used a quantum annealer to recover the correct profile of various tunnelling solutions. I will discuss this as well as outlining future possibilities. These methods are applicable to many nonperturbative problems.

Zoom link:
https://zoom.us/j/95375292818?pwd=QS96VkNhbnZDMDJ0d2d6NUJmWVMvdz09

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