Out-of-equilibrium Hubbard dimer within DPOA

Amir Eskandari-asl; Adolfo Avella

doi:10.1117/12.3029502

10 June 2024 Out-of-equilibrium Hubbard dimer within DPOA

Amir Eskandari-asl, Adolfo Avella

Proceedings Volume 12992, Advances in Ultrafast Condensed Phase Physics IV; 129920G (2024) https://doi.org/10.1117/12.3029502
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Conference Poster

Abstract

We have studied the Hubbard model on a dimer under the effect of an intense ultra-short laser pulse using the Dynamical Projective Operatorial Approach (DPOA). This shows how DPOA, stemming from the Composite Operator Method, can effectively tackle strongly correlated systems and real materials. To study the effect of the pump pulse on the anti-ferromagnetic-like order, we have analyzed the behavior of the double occupancy. It turns out that the pulse, in a specific range of its parameters, can drive the system in and out of the otherwise very robust anti-ferromagnetic-like phase that naturally emerges at half-filling and low temperatures. In such a situation, the system undergoes Rabi-like oscillations.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Amir Eskandari-asl and Adolfo Avella "Out-of-equilibrium Hubbard dimer within DPOA", Proc. SPIE 12992, Advances in Ultrafast Condensed Phase Physics IV, 129920G (10 June 2024); https://doi.org/10.1117/12.3029502

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