Bulletin of the American Physical Society
APS March Meeting 2021
Volume 66, Number 1
Monday–Friday, March 15–19, 2021; Virtual; Time Zone: Central Daylight Time, USA
Session F44: Dynamics of Quenched and Driven Quantum Systems II
11:30 AM–2:30 PM,
Tuesday, March 16, 2021
Sponsoring
Unit:
DCMP
Chair: Bowen Shi, University of California, San Diego
Abstract: F44.00003 : Fast Nonequilibrium Green Functions simulations with GW selfenergies
11:54 AM–12:06 PM
Live
Presenter:
Christopher Makait
(Univ Kiel)
Authors:
Christopher Makait
(Univ Kiel)
Niclas Schlünzen
(Univ Kiel)
Jan-Philip Joost
(Univ Kiel)
Michael Bonitz
(Univ Kiel)
In the Jellium basis the G1–G2 scheme has an especially advantageous CPU time scaling of Nb3Nt1 for both second-order and GW selfenergies, which makes this approach particularly interesting for this system. Furthermore, its derivation gives rise to an alternative way to compute the nonequilibrium screened potential. Here, we present first relaxation results in 1 and 2 dimensions.
[1] M. Bonitz, Quantum Kinetic Theory (Springer, 2016)
[2] P. Lipavský, V. Špička, B. Velický, Phys. Rev. B34, 6933 (1986)
[3] N. Schlünzen, J.-P. Joost, M. Bonitz, Phys. Rev. Lett. 124, 076601 (2020)
[4] J.-P. Joost, N. Schlünzen, M. Bonitz, Phys. Rev. B 101, 245101 (2020)
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