Events
September 2026 | |
 Tue 22 Sep 202614:00 - 15:30 |  GAnG Seminar: Orlando Luongo - Negative refraction and gravitational metamaterials: From optical geometry to dark matterCentre for Geometry, Analysis and Gravitation NOTE: Pre talk intro for non experts starts at 2pm, with seminar starting at 2.30pm Title: Negative refraction and gravitational metamaterials: From optical geometry to dark matter Abstract: In this talk I propose a novel reinterpretation of spacetime as an effective optical medium capable of exhibiting negative refraction. I show that this phenomenon is not a coordinate artifact, but rather a covariant property of energy-momentum flow, arising when phase propagation and energy transport... |