In this seminar, I will discuss two domains of condensed matter pysics elucidated by new tools: thermal motion in nanomechanical structures and quantum electron transport in 2D materials.
By picking up individual carbon nanotubes and coupling them with electrostatic gates and optical cavities, we directly read our non-equilibrium dynamics and observe real time Brownian motion. We reveal surprising spectral dynamics obscured by existing measurement techniques, shedding light on the physics behind the unexpectedly low quality factor in room temperature carbon nanotube resonators.
In the second part of this seminar, I will explain how new devices and measurement techniques help us control and observe circular cyclotron orbits in graphene-based superlattices.
Speaker: Arthur Barnard, Stanford
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