Laurel Anderson, University of Washington
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Abstract: Van der Waals materials, such as graphene, can be combined into layer-stacked heterostructures that form an ideal platform for studying the fundamental relationship between material structure and electronic behavior. The easy tunability of these materials with electric and magnetic fields, the ability to combine different materials with minimal strain, and the additional “twist” degree of freedom that allows the generation of moiré superlattices, enable the formation of a wide range of novel emergent quantum states, from correlated insulators to strange metals and superconductivity. I will discuss three experiments investigating exotic low-dimensional physics in van der Waals heterostructures: Coulomb drag between graphene and a single carbon nanotube, non-Fermi-liquid behavior in an etched graphene quantum dot, and dynamic control of electron-electron interactions with a planar scanning probe.
Bio: Laurel Anderson is a Washington Research Foundation Postdoctoral Fellow in the Department of Physics at the University of Washington. She received a B.A. in Physics at Dartmouth College, followed by an MPhil in Physics from the University of Cambridge, where she studied spin-orbit torque in the Microelectronics Research Group. She went on to receive a Ph.D. in Physics from Harvard University, where she researched electronic and thermoelectric interactions in carbon nanotube and graphene-based heterostructures in the group of Prof. Philip Kim. Her current work with Prof. Arthur Barnard focuses on developing new low-temperature scanning probe techniques to investigate low-dimensional quantum materials.
In-person only. Refreshments in PAS 218, 2:30pm