Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session J81: Reviews of Modern Physics: The First Ninety YearsInvited
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Sponsoring Units: APS Room: Westin Grand Ballroom A |
Tuesday, March 5, 2019 7:30PM - 8:00PM |
J81.00001: 2D Materials: Science and Technology Invited Speaker: Antonio Helio Castro Neto The surprising isolation of graphene in 2004 has created a new field of research, namely, 2D Crystals. Nowadays we know that there are thousands of different types of 2D crystals with electronic properties that range from metals and semiconductors to magnets and superconductors. These new materials have had not only an impact in modern science but they are already having a technological impact in the industry. In this seminar I will review the field and its evolution in the last few years. |
Tuesday, March 5, 2019 8:00PM - 8:30PM |
J81.00002: Previews of Modern Physics Invited Speaker: Nigel David Goldenfeld The Reviews of Modern Physics (RMP) is certainly the most well-cited review journal in the world of physics. Its stellar reputation reflects the depth and detail of its reviews of fields that have reached sufficient maturity for a review to be warranted. In this talk, I will argue that there is another factor that has perhaps made an outsize contribution to its impact: some of the most influential articles have been reviews about fields that in some sense do not yet exist, or are still in their formative stages. I will focus on several examples drawn from the world of condensed matter and statistical physics, including: (1) Leo Kadanoff's RMP on critical phenomena (1967); (2) Ken Wilson's RMP on the Kondo problem (1975); (3) Jim Langer's RMP on the field of non-equilibrium pattern formation (1981); (4) Stephen Wolfram's RMP on cellular automata (1983); (5) Albert and Barabasi's RMP on the statistical mechanics of networks (2002). I would contend that these review articles owe their success not simply to the traditional metrics of comprehensiveness of scope, timeliness and quality of exposition, but to the fact that they catalyzed the evolution of their respective fields, by inspiring receptive scientists to see possibilities that would not otherwise have been so apparent. I will try to draw some recommendations that could guide future authors who wish to write a "preview" of an emerging field. |
Tuesday, March 5, 2019 8:30PM - 9:00PM |
J81.00003: Interface-induced phenomena in magnetism: writing a review article in an important topical subject with 27 leading scientists as co-authors Invited Speaker: Frances Hellman This article reviews static and dynamic interfacial effects in magnetism, focusing on interfacially driven magnetic effects and phenomena associated with spin-orbit coupling and intrinsic symmetry breaking at interfaces. It provides a historical background and literature survey, but focuses on recent progress, identifying the most exciting new scientific results and pointing to promising future research directions. It starts with an introduction and overview of how basic magnetic properties are affected by interfaces, then turns to a discussion of charge and spin transport through and near interfaces and how these can be used to control the properties of the magnetic layer. Important concepts include spin accumulation, spin currents, spin-transfer torque, and spin pumping. An overview is provided to the current state of knowledge and existing review literature on interfacial effects such as exchange bias, exchange-spring magnets, the spin Hall effect, oxide heterostructures, and topological insulators. The article highlights recent discoveries of interface-induced magnetism and noncollinear spin textures, nonlinear dynamics including spin-transfer torque and magnetization reversal induced by interfaces, and interfacial effects in ultrafast magnetization processes. |
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