Highlight Seminar

Symmetry, degeneracy, and strong correlation

Gustavo E. Scuseria

Departments of Chemistry, Physics & Astronomy, and Materials Science & Nano Engineering, Rice University, Houston, Texas

Friday 27th April 2018
Time: 4pm
Venue: Harrie Massey LT,
Gordon Street
University College London
Contact: Karen Stoneham
Tel: 0207 679 7306

Winner of the 2017 Royal Society of Chemistry S F Boys - A Rahman Award, Professor Gustavo Scuseria will be visiting UCL to give a highlight seminar as part of his tour. 

The award is for outstanding innovative research in the area of computational chemistry, including both quantum chemistry and molecular simulations.

Gustavo E. Scuseria is the Robert A. Welch Professor of Chemistry, Professor of Physics and Astronomy, and Professor of Materials Science and NanoEngineering at Rice University, in Houston, Texas, USA. Professor Scuseria was born in Argentina and is a naturalized US citizen.  He received his Ph.D. from the University of Buenos Aires in 1983. He was a postdoctoral researcher at the University of California, Berkeley, and University of Georgia before joining the faculty at Rice in 1989.

His main research field is computational quantum chemistry. He has made numerous contributions to the Gaussian program, a software package for quantum calculations used in academia, government, and industry worldwide. He is the author of more than 480 publications and has presented more than 360 invited lectures.  He is currently Vice-President of the International Academy of Quantum Molecular Science, and Fellow of the American Chemical Society, American Physical Society, American Association for the Advancement of Science, Guggenheim Foundation, and Royal Society of Chemistry.

He has received numerous awards including Camille and Henry Dreyfus Teacher-Scholar, NSF Creativity Extension, IBM Partnership, Feynman Prize in Nanotechnology Theory, Humboldt Research Award, Lisa Meitner Minerva Lectureship from Israel, and Distinguished Israel Pollak Lecturer from the Technion.

Scuseria is co-Editor of the Journal of Chemical Theory and Computation published by the American Chemical Society. He is currently in the Scientific Advisory Board of the Max-Planck Institute for Solid State Research, Stuttgart, and the Scientific Advisory Board on the Many Electrons Initiative of the Simons Foundation in New York.

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    Abstract
    Schrodinger's equation has been known for more than 90 years, yet many pressing questions in electronic structure theory remain unanswered. Quantum Chemistry is a successful field: the weak correlation problem has been solved; we can get "the right answer for the right reason" at reasonably low polynomial computational cost instead of the combinatorial expense of brute force approaches. Despite many advances, however, the so-called strong correlation problem, where the chemist's molecular orbital picture breaks down, remains open, particularly for large molecules and solids. This seminar will address challenges and progress on the treatment of strong correlation, and its connection with quantum symmetries and degeneracy. Methods developed in our research group for strong correlation will be discussed, and applications to carbon nanostructures will be presented.

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