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Physikalisches Kolloquium: Prof. Dr. Gustavo Scuseria: Exploiting Dualities for Strong Correlation

19.01.2024 | 15:00 c.t.
Prof. Dr. Gustavo Scuseria

Prof. Dr. Gustavo Scuseria
Bildquelle: Rice University

Rice University, Department of Chemistry and Department of Physics and Astronomy, Houston, Texas, USA

In recent years, my research group has focused on strong electron correlation, a problem that after almost 100 years of Schrodinger equation, remains pervasive and hinders many practical applications.

In this talk, I will discuss our recent efforts to tackle it using dualities that convert strongly correlated systems into more weakly correlated ones. String operators, such as those appearing in the Jordan-Wigner transformation when mapping fermions to qubits, play a central role in the theory. String operators are responsible for the algebra transmutation between fermions and spin ½ (hardcore bosons). Despite their nonlocal and many-body characteristics, matrix elements of string operators can be obtained with low polynomial computational cost in classical computers.

I will present proof of principle applications of the theory to modeling strongly correlated spin systems as fermions.

Zeit & Ort

19.01.2024 | 15:00 c.t.

Hörsaal A (1.3.14)
Fachbereich Physik
Arnimallee 14
14195 Berlin

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