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Department of Physics Colloquium - Kieval Lecture

Monday, October 29, 2018 at 4:00pm to 5:00pm

Rockefeller Hall, Schwartz Auditorium
Central Campus

General Physics Colloquium, Professor Andrea Cavalleri, Max Planck Institute for the Structure and Dynamics of Matter

Refreshments from 3:30-3:50 pm

Title:  Photo-induced Superconductivity and other stories

Host:  Kyle Shen

Abstract:  In this lecture, I will discuss how coherent electromagnetic radiation at infrared and TeraHertz frequencies can be used to drive coherently and to large amplitudes interesting collective excitations in solids. The nonlinear cooperative response of low-frequency excitations is largely unexplored and can yield new types functional control. I will for example discuss experiments in which superconducting fluctuations can be amplified by light at temperatures higher than the thermodynamic transition temperature. I will also discuss how X-ray Free Electron Lasers are integral to this work, and how they can be used to sample the dynamical evolution of crystal lattices and of other microscopic parameters in time.

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Event Type

Seminar

Departments

Physics, Materials Science and Engineering

Tags

cascal, physics

Website

http://physics.cornell.edu/upcoming-c...

Contact E-Mail

sfc1@cornell.edu

Contact Name

Sue Sullivan

Contact Phone

607/255-7562

Speaker

Professor Andrea Cavalleri

Speaker Affiliation

Max Planck Institute for the Structure and Dynamics of Matter

Dept. Web Site

https://physics.cornell.edu/

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