Harvard University                                CMSA Colloquium                       April 27, 2017

Levitation by Casimir Forces in and out of equilibrium

Mehran Kardar

Thosten Emig, Giuseppe Bimonte, Noah Graham, Robert Jaffe

Ramin Golestanian, Mark Hertzberg

Jamal Rahi, Mohammad Maghrebi

Vlad Golyk, Matthias Krüger


Outline

I.        Casimir force in QED: Theory, Experiment, & Application                                            

II.      Thermal Casimir force: Critical fluctuations

III.     Repulsion/Levitation? Boundary effects (fluids, meta-materials, ...); and Shapes (spheres, pistons, ...) 

IV.     Earnshaw's theorem in electrostatics and for fluctuation-induced forces

V.      Membranes inclusionse: Forces between inclusions due to membrane concentration fluctuations

VI.    Nonequilibrium Radiative force: Breakdown of classical "Stefan-Bolzmann" law, heat transfer and force

VII.  Summary