Abstract: Electrons create magnetic fields, so materials that manifest quantum-mechanical and strongly correlated electron behavior must have magnetic signatures. Although distinctive, interesting, and informative, these magnetic signals are hard to measure. In this talk, I will take you on a tour of mesoscopic magnetic phenomena. We will visit metallic rings that exhibit persistent currents despite having a finite resistance; see images of superfluid density that provides clues to the origin of superconductivity; view landscapes of paramagnetism, ferromagnetism, conductivity and superconductivity in exotic materials; and manipulate quantum vortices, one-dimensional elastic objects moving through energy landscapes. These advances in nanomagnetic imaging provide insight into the interplay of disorder, order, and dimensionality in quantum-mechanical phase-coherent states in real materials.
Seminar Speaker: Kam Moler, Standford University
Host: Bill Halperin
Meeting Details:
Friday, November 13th, 2020 at 4:00 pm (Central Time) on Zoom.
Zoom info:
Please email peri.drury@northwestern.edu if you would like access to the Zoom meeting link.
Peri Drury
(847) 491-7650
Email