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LASSP Special Seminar: Laurel Anderson, Harvard

Tuesday, June 14, 2022 at 1:30pm to 2:30pm

Physical Sciences Building, 401

 

Title: Charge and energy transport in mixed-dimensional systems: graphene, nanotubes, and graphene quantum dots

Abstract: Electronic confinement in low-dimensional systems generates exotic quantum states. I will discuss three experiments probing the unique physics of coupled 1D-2D and 0D-2D systems. In hybrid carbon nanotube-graphene heterostructures, we measured novel Coulomb drag behavior arising from the mixed-dimensional nature of the system, including possible hydrodynamic flow of graphene electrons generated by current in the nanotube. We separately observed unusual thermal transport in carbon nanotubes due to collective 1D electronic motion combined with long-range interactions. In ongoing experiments, we are studying thermoelectric transport through an etch-defined graphene quantum dot in a strong magnetic field, where the combination of quantum confinement and long-range disorder in the lowest Landau level is predicted to generate novel non-Fermi liquid behavior.

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Event Type

Seminar

Departments

LASSP, Physics

University Themes

Research

Tags

cascal, physics, lassp, casfeatured

Website

https://lassp.cornell.edu

Contact E-Mail

tdm68@cornell.edu

Contact Name

Trisica Munroe

Contact Phone

607.255.2324

Speaker

Laurel Anderson

Speaker Affiliation

Harvard University

Dept. Web Site

lassp.cornell.edu

Open To

Cornell community