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Mark Zemansky Lecture in Physics: Angel Rubio, Photons and matter cooperate: new states of matter from a novel first principles QEDFT formalism

Mark Zemansky Lecture in Physics: Angel Rubio, Photons and matter cooperate: new states of matter from a novel first principles QEDFT formalism
When Nov 14, 2018
from 04:00 PM to 05:00 PM
Where ASRC Auditorium
Contact Name
Contact Phone 212-650-7443
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Mark Zemansky Lecture in Physics

Professor Dr. Angel Rubio

Director, Max Planck Institute for the Structure and Dynamics of Matter, 
Luruper Chaussee 149, 22761 Hamburg, Germany


Photons and matter cooperate: new states of matter from a novel first principles QEDFT formalism


 

Computer simulations that predict the light-induced change in the physical and chemical properties of complex systems, molecules, nanostructures and solids usually ignore the quantum nature of light. Recent experiments at the interface between materials science and quantum optics have uncovered situations where both the molecular system and the photon field have to be treated in detail. In this talk, we show how the effects of quantum-photons can be properly included in the newly developed quantum electrodynamics density-functional formalism (QED-TDDFT). We provide an overview of how well-established concepts in the fields of quantum chemistry and material sciences have to be adapted when the quantum nature of light becomes important in correlated matter-photon problems. We identify fundamental changes in Born-Oppenheimer surfaces, conical intersections, spectroscopic quantities, and quantum control efficiency. We also show how periodic driving of many-body systems allow to design Floquet states of matter with tunable electronic properties on ultrafast time scales.
Work done in collaboration with: H. Appel, M. Ruggenthaler, H, Hübener, U. de Giovannini, M. Sentef, N. Park, J. Flick, C. Schaefer, V. Rokaj, D. Welakuh

Distinguished Research Scientist, Center for Computational Quantum Physics, Flatiron Institute, New York, NY

Angel Rubio will spend part of the year at the Center for Computational Quantum Physics as a distinguished research scientist. He is the managing director of the Max Planck Institute for the Structure and Dynamics of Matter and the director of its theory department. He is a distinguished professor of physics at the University of the Basque Country and a professor of physics at the University of Hamburg. He is one of the founders of the European Theoretical Spectroscopy Facility and the originator of the widely used ab initio open-source project Octopus. He has received numerous fellowships and awards, including the 2016 Medal of the Spanish Royal Physical Society, the 2014 Premio Rey Jaime I for basic research, the 2006 DuPont Prize in nanotechnology, the 2005 Friedrich Wilhelm Bessel Research Award of the Humboldt Foundation, and two European Research Council advanced grants, in 2011 and 2016. He is a fellow of the American Physical Society and the American Association for the Advancement of Science, a member of the Academia Europaea, and a foreign associate member of the National Academy of Sciences.

 

Rubio’s research focuses on the modeling and theory of electronic and structural properties of condensed matter. He is working on developing novel theoretical tools, such as time-dependent functional theory for quantum electrodynamics and computational codes for the ab initio description and control of the dynamics of decoherence and dissipation in quantum many-body systems, and on characterizing new nonequilibrium states of matter.