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The geometry of the spin-orbit force

Source:   Author:  Date:2020-04-28  ClickTimes:

Speaker:Derek Harland


The Skyrme model is a geometric model of nuclear physics. Atomic nuclei are modelled using maps from R^3 to S^3 that minimise a natural energy. A fundamental problem in the Skyrme model (and more broadly in nuclear physics) is to understand the “spin-orbit force”, which encourages the spins of orbiting nucleons to align with their angular momentum. In this talk I will present a solution to this problem, obtained with Chris Halcrow, which exploits known symmetry properties of energy-minimising maps. No prior knowledge of nuclear physics, or the Skyrme model, will be assumed!

Time: April30th16:00

Venue:Zoom Meeting ID:2100898623 Code:123456(Download Zoom APP)

Speaker Introduction:

Derek Harland graduated from Durham University in 2008 with a Ph.D. Now he is an associate professor at the University of Leeds. He mainly studies mathematical physics and has published more than 20 papers in journals such as Commun. Math. Phys., Phys. Rev. D, Nucl. Phys. B, JHEP, Proc. Roy. Soc. Lond.,etc.

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