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Skyrmions and Hall Transport



  • Available for pre-order on April 21, 2023. Item will ship after May 12, 2023
ISBN 9789814968348
May 12, 2023 Forthcoming by Jenny Stanford Publishing
394 Pages 25 Color & 46 B/W Illustrations

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Book Description

In the past decade, the field of physics has witnessed renewed advances in physical systems without mirror (parity) symmetry. Experimentally, chiral magnetic skyrmions discovered in real materials have stirred a great deal of interest in future spintronic applications due to their nanoscale size, topological protection, and energy efficiency. Theoretically, the Hall viscosity, a new universal transport coefficient, through the progress in hydrodynamics has triggered extensive theoretical investigation in quantum Hall systems.

This book provides an extensive account of skyrmion dynamics, using various analytical tools, especially the field theory Ward identity that is a first principle method using symmetries and the associated conservation equations. The identity revealed that Hall viscosity is a universal part of skyrmion motion. This book leads readers to frontline research in searching for the role of the mysterious Hall viscosity in skyrmion physics, using the interdisciplinary point of view that encompasses high-energy physics, condensed matter, and materials science. It also provides the necessary backgrounds and physical clarity for advanced undergraduates to meaningfully explore its contents through mathematical expressions conveyed in both vector and index notations.

Table of Contents

1. Symmetries of Magnetic Skyrmions 2. Background Materials: Hydrodynamics 3. Hall Viscosity 4. Spin Dynamics 5. First Principal Method: Ward Identity 6. Skyrmion Dynamics and Transport 7. Modeling Hall Viscosity for Skyrmions

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Author(s)

Biography

Bom Soo Kim is an assistant professor at the University of Wisconsin—Parkside, USA. He received his PhD in physics from the University of California at Berkeley, USA, and his BS in astronomy from Yonsei University, South Korea. He was trained as a postdoctoral researcher in a joint appointment with IESL-FORTH and the University of Crete, Greece, and then at the Tel Aviv University, Israel. He has been a teaching postdoc at the University of Kentucky and a full-time lecturer at Loyola University Maryland, USA. Although he is formally trained in theoretical high-energy physics utilizing quantum field theory and string theory, his research interests extend to condensed matter physics, materials science, and quantum information science. Dr Kim currently works on quantum entanglement, holographic renormalization, and in particular, physical systems without parity symmetry that include magnetic skyrmions.