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2023-03 NITheCS Mini-school - 'An Introduction to Solitons and Solitary Waves in Physics and Mathematics' - Wednesday 8, 15, 22 & 29 March 2023

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ABSTRACT:
This mini-school offers a basic introduction to solitons and solitary waves in physics and mathematics. The focus is on applications and therefore renowned scientists working on solitons in very different branches have been invited to lecture on their fields of expertise.
In mathematics and physics, a soliton (or solitary wave) is a wave-like solution to nonlinear field equations that maintains its shape while it propagates at a constant velocity. Apart from that propagation, solitons are characterised by possessing localised energy densities. They have a wide range of applications in different branches of science, including optics, condensed matter, nanophysics, biology and nuclear & high energy physics.
In the course of this mini-school, lecturers from these different disciplines will explain how these various solitons are constructed from non-linear equations and how they feature in describing various aspects of nature.

LECTURES AND LECTURERS
8 March @14h00
‘Multidimensional Solitons’ - Prof Boris Malomed (Tel Aviv University)

15 March @14h00
‘Spatially localized and delocalized nonlinear vibrations in the lattices’ by Prof Sergey Dmitriev (Russian Academy of Sciences)

22 March @14h15
‘Chiral soliton models for baryons’ by Prof Herbert Weigel (Stellenbosch University)

29 March @14h00
‘Scattering and collisions of solitons in (1+1) dimension’
Dr Danial Saadatmand (Stellenbosch University)

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Message preview	Hi there, You are invited to a Zoom webinar. Topic: 2023-03 NITheCS Mini-school - 'An Introduction to Solitons and Solitary Waves in Physics and Mathematics' - Wednesday 8, 15, 22 & 29 March 2023 Register in advance for this webinar: https://nithecs-ac-za.zoom.us/webinar/register/WN_GtG5PwRKTRKEuFliTgxbaw After registering, you will receive a confirmation email containing information about joining the webinar. ---------- Webinar Speakers Prof Boris Malomed (Tel Aviv University) Boris A. Malomed (Senior Member, IEEE) received his PhD degree from the Moscow Physico-Technical Institute, Russia, in 1981, and a Doctor of Science degree (habilitation) from the Institute for Theoretical Physics of the Academy of Sciences of Ukraine in 1989. He has been working with the Tel Aviv University since 1991 and is currently a Professor with a chair in ‘Optical Solitons’. Since 2011, he has also collaborated as a consultant with the Institute of Photonic Sciences (ICFO, Spain). He was a Divisional Associate Editor of Physical Review Letters (in the area of ‘laser physics’) in 2009–2015. He is currently the editor of Phys. Lett. A and Chaos, Solitons & Fractals, and an editorial board member of J. Optics. His research interests include the fields of nonlinear optics, Bose–Einstein condensates and matter waves, pattern formation in nonlinear dissipative media, dynamics of nonlinear lattices, etc. He is a Senior Member of OSA. Prof Sergey Dmitriev (Russian Academy of Sciences) Prof Sergey V. Dmitriev graduated from Tomsk State University, Russia, with an MSc degree in 1984. He completed his PhD degree in structural mechanics at Tver State University, Russia, in 1988. He gained a second PhD degree in computer modeling of incommensurate phases in dielectrics from the University of Electro-Communications, Tokyo, Japan, in 1999. He received a ‘Habilitation’ degree in 2008 with a thesis on solitary wave dynamics in discrete systems from Altai State Technical University. Since 2008, Prof Dmitriev has been serving as Head of Laboratory of the Institute for Metals Superplasticity Problems of the Russian Academy of Sciences, Ufa, Russia. His scientific interests are in solitary waves in discrete systems, discrete breathers, evolution of defect structures in solids during plastic deformation, mechanical properties of graphene, and atomistic simulations. Prof Herbert Weigel (Stellenbosch University) Herbert Weigel is Professor of Theoretical Physics at Stellenbosch University. He received his PhD at Siegen University, Germany. Thereafter he spent several years as a postdoc in Syracuse (New York), Orsay (France) and Tubingen (Germany). In Tubingen he also gained his 'Habilitation' degree. He was then awarded a Heisenberg fellowship by the German Science Foundation (DFG) for five years, which he spent as a researcher at MIT, Cambridge (Massachusetts) and Tubingen. He became an Extra-curricular Professor at Siegen University before moving to Stellenbosch as Associate Professor. He was promoted to Full Professor in 2013. Prof Weigel's research interests are centered around non-linear phenomena in (quantum) field theory. Most notably these are the so-called soliton solutions. More recently he also focused on the quantum effects for solitons or soliton-like structures. Prof Weigel has (co)authored more than 100 research publications, 6 review articles and 2 monographs on his projects. Dr Danial Saadatmand (Stellenbosch University) Dr Danial Saadatmand is a postdoctoral researcher of Theoretical Physics at Stellenbosch University. He received his PhD in elementary particle physics from Ferdowsi University of Mashhad under the supervision of Prof K. Javidan in 2015. He spent one year as a researcher at the Russia Academy of Science, Ufa, and five years as an assistant Professor of physics at the University of Sistan and Baluchestan, Iran. Dr Saadatmand has (co)authored more than 30 research publications.

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