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TT: Fachverband Tiefe Temperaturen

TT 37: Correlated Electrons: Poster

TT 37.59: Poster

Mittwoch, 19. März 2025, 15:00–18:00, P4

Nonequilibrium Phenomena in Strongly Correlated Systems under Structured Fields — •Sajad Mirmohammadi and Jamal Berakdar — Martin-Luther-Universität Halle-Wittenberg Karl-Freiherr-von-Fritsch-Str. 3 06120 Halle/Saale

Strongly correlated systems provide a rich platform for exploring quantum phenomena and understanding nonequilibrium many-body dynamics. A central challenge lies in unraveling the interplay of various interactions that govern the emergence of exotic quantum states. Here, we investigate how phase- and polarization-structured electromagnetic fields interact with strongly correlated materials modeled by the extended Peierls Hubbard Hamiltonian. Using exact diagonalization with the Lanczos algorithm, we demonstrate how structured fields imprint their characteristics onto excitation dynamics, including charge and spin density waves.

Keywords: Strongly Correlated Systems; Nonequilibrium Dynamics; Structured Electromagnetic Fields; Peierls-Hubbard Model; Charge and Spin Density Waves