Bulletin of the American Physical Society
2013 Annual Meeting of the California-Nevada Section of the APS
Volume 58, Number 14
Friday–Saturday, November 1–2, 2013; Rohnert Park, California
Session A1: Plenary Session I |
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Chair: Sergey Savrasov, Sonoma State University Room: Cooperage |
Friday, November 1, 2013 10:00AM - 10:15AM |
A1.00001: Welcome Andrew Rogerson, Lynn Cominsky - [Preview Abstract] |
Friday, November 1, 2013 10:15AM - 11:00AM |
A1.00002: Proteins as Nanolegos Invited Speaker: Daniel Cox Proteins can self-assemble into remarkable structures of high geometric symmetry both inside organisms and, with some intuition into design principles, in a cell free environment. After a brief survey of the spectrum of naturally occurring self-assembled protein scaffolds, from viral capsids to spider silk to biofilms, I will discuss engineered protein structures including remarkable designed geometric solids and assemblies of so called beta solenoid proteins. These latter proteins have extraordinarily symmetric geometric cross sections, and arise in such contexts as anti-freeze function and bacterial anti-biotic resistance. These protein assemblies are remarkably robust to environmental extremes in temperature and chemistry, and could have played a role in boosting the evolution of nucleic acids for early life on earth. They can also play a role in tissue engineering and, potentially, nano-manufacturing. [Preview Abstract] |
Friday, November 1, 2013 11:00AM - 11:45AM |
A1.00003: Emergent Phenomena in Quantum Materials Invited Speaker: Kam Moler Electrons are seemingly simple particles with charge e and spin ½. But, when they live in materials whose composition, structure, and even dimensionality can be carefully designed, they display various complex, emergent states of matter. These states have tremendous potential to be useful as well as interesting, but they can be theoretically difficult to describe and predict. After an introduction to ways of thinking about strongly correlated quantum materials, I will describe how imaging local magnetic fields with a scanning Superconducting QUantum Interference Device allows us to non-invasively watch the electrons on mesoscopic length scales. I will give several examples of the ways in which the magnetic flux quantum (h/e or h/2e in metals and superconductors respectively) can play a special role in diagnosing the state of quantum materials ranging from normal metals to topological insulators to proposed chiral superconductors. [Preview Abstract] |
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