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New Horizons at the Frontier of Magnetism & Superconductivity (8328)

April 09, 2017 – April 15, 2017

Location: CBPF, Rio de Janeiro, Brazil



Strongly correlated electron systems remain at the center of experimental and theoretical activities in Quantum condensed-matter physics. These complex systems exhibit self-organized behavior and the search for the underlying physics principles that govern them lies at the heart of the current research. The vitality of the field is fueled by a stream of new theoretical ideas which continue to profoundly change our view of quantum materials. The interest in correlation effects in metallic systems, both correlated and localized has witnessed a remarkable growth in the last few years due to two parallel sets of developments:

First, there is a strong revival of interest in quantum-critical behavior in correlated electron systems due to discovery of new materials, which display quantum criticality such as the iron-based-pnictides and bilayer oxide interfaces, and to a new set of theoretical ideas, derived in part from high-energy physics and quantum information theory.

Second, there is the growing worldwide effort to understand the effects of interactions in “topological” systems, e.g., topological insulators and superconductors and Weyl semi-metals. The concept of topology has changed the fundamental notions of the band theory. As the next step, the focus now is on the correlated electron behavior both in the bulk and at the surfaces of such materials.

The communities working on quantum-critical and topological systems are using the same experimental and theoretical methods, yet they communicate with each other only superficially and seem to be drifting apart with separate conferences, workshops, and schools. One goal of the workshop is to oppose the trend by bringing the two communities together.

Each of the invited participants will be asked to emphasize a pedagogical approach that reaches out to both students and the inter-disciplinary components of the workshop. Speakers will be asked to devote the first 1/3rd of their presentation to a pedagogical introduction, with a follow up talk that emphasizes key issues that they think will connect - eg connections between quantum criticality and the quantum information/tensor network approaches to many body physics. Each day will have roughly four speakers, each with a one hour talk and 30 minutes for discussion. We will also follow the pattern of Gordon research conferences, asking the session chairperson (typically one of the organizers) to summarize briefly the key issues, challenges and controversies of their session.

More information will be added as it becomes available.



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