Bulletin of the American Physical Society
APS March Meeting 2018
Volume 63, Number 1
Monday–Friday, March 5–9, 2018; Los Angeles, California
Session T60: Poster Session III
1:00 PM,
Thursday, March 8, 2018
LACC
Room: West Hall A
Abstract ID: BAPS.2018.MAR.T60.147
Abstract: T60.00147 : Quantum Singwi-Tosi-Land-Sjoelander (STLS) approach for interacting inhomogeneous systems under electromagnetic fields*
Presenter:
Taichi Kosugi
(Department of Applied Physics, University of Tokyo)
Authors:
Taichi Kosugi
(Department of Applied Physics, University of Tokyo)
Yu-ichiro Matsushita
(Department of Applied Physics, University of Tokyo)
we derive the linear equation for response functions in a quantum mechanical manner[2] for inhomogeneous interacting electronic systems under a time-dependent electromagnetic perturbation.
In this study, we choose an analytically solvable interacting two-electron system as the target for which we examine the validity of the approximation.
We compare the STLS response function and the exact one.
The interaction energy calculated from the STLS response function is also discussed.
[1] K. S. Singwi, M. P. Tosi, R. H. Land, and A. Sjoelander, Phys. Rev. 176, 589 (1968)
[2] T. Hasegawa, and M. Shimizu, J. Phys. Soc. Jpn. 35, 18 (1973); T. Hasegawa and M. Shimizu, J. Phys. Soc. Jpn. 38, 965 (1975)
*This research was supported by MEXT as “Exploratory Challenge on Post-K computer” (Frontiers of Basic Science: Challenging the Limits). This research used computational resources of the K computer provided by the RIKEN Advanced Institute for Computational Science through the HPCI System Research project
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.MAR.T60.147
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