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Gyungchoon Go on Muck Rack

Gyungchoon Go

As seen in: Nature, Physical Review B, Physical Review Research
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Articles

Scalar spin chirality Nernst effect

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By Gyungchoon Go, Nanse Esaki, Yaroslav Tserkovnyak, Durga Prasad Goli
| Physical Review Research
It is not necessary to obtain permission to reuse this article or its components as it is available under the terms of the Creative Commons Attribution 4.0 International license. This license permits unrestricted use, distribution, and reproduction in any medium, provided attribution to the author(s) and the published article's title, journal citation, and DOI are maintained. Please note that some figures may have been included with permission from other third parties.
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Topological magnon polarons in honeycomb antiferromagnets with spin-flop transition

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By Gyungchoon Go, Heejun Yang, Je-Geun Park
| Physical Review B
We theoretically investigate the thermal Hall transport of magnon-polarons in a two-dimensional honeycomb antiferromagnetic insulator under the influence of a perpendicular magnetic field, varying in strength. The application of a perpendicular magnetic field induces a magnetic phase transition from the collinear antiferromagnetic phase to the spin-flop phase, leading to a significant alteration in Hall transport across the transition point.
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Electronic manipulation of magnon topology by chirality injection from boundaries

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By Seunghun Lee, Gyungchoon Go, Kwon Hoe Kim
| Physical Review B
Abstract Magnon bands are known to exhibit nontrivial topology in ordered magnets under suitable conditions, engendering topological phases referred to as magnonic topological insulators. Conventional methods to drive a magnonic topological phase transition are bulk magnetic or thermal operations such as changing the direction of an external magnetic field or varying the temperature of the system, which are undesired in device applications of magnon topology.
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