scholarly journals Strong anisotropic optical properties of 8-pmmn borophene: a many-body perturbation study

2021 ◽  
Author(s):  
Najmeh Deily Nazar ◽  
Taraneh Vazifehshenas ◽  
Mohammad Reza Ebrahimi ◽  
François M. Peeters
Keyword(s):  
Optical Properties ◽  
Perturbation Theory ◽  
Electron Interaction ◽  
First Principle ◽  
Many Body ◽  
Many Body Perturbation Theory

Using first-principle many-body perturbation theory, we investigate the optical properties of 8-pmmn borophene at two levels of approximations; the GW method considering only the electron-electron interaction and the GW in...

scholarly journals Capturing excitonic and polaronic effects in lead iodide perovskites from many-body perturbation theory

2021 ◽  
Author(s):  
Pooja Basera ◽  
Arunima Singh ◽  
Deepika Gill ◽  
Saswata Bhattacharya
Keyword(s):  
Optical Properties ◽  
Perturbation Theory ◽  
Binding Energy ◽  
Electronic Properties ◽  
Effective Mass ◽  
Exciton Binding Energy ◽  
Many Body ◽  
Energy Materials ◽  
Lead Iodide ◽  
Many Body Perturbation Theory

Lead iodide perovskites have attracted considerable interest as promising energy-materials. However, till date, several key electronic properties such as optical properties, effective mass, exciton binding energy and the radiative exciton...

scholarly journals Electron–phonon scattering and excitonic effects in T-carbon

RSC Advances ◽  
2020 ◽  
Vol 10 (41) ◽  
pp. 24515-24520 ◽  
Author(s):  
Xiangtian Bu ◽  
Shudong Wang
Keyword(s):  
Optical Properties ◽  
Perturbation Theory ◽  
First Principles ◽  
Phonon Scattering ◽  
First Principles Calculations ◽  
Many Body ◽  
Many Body Perturbation Theory ◽  
Excitonic Effects ◽  
Electron Phonon Scattering

Through first-principles calculations combining many-body perturbation theory, we investigate electron–phonon scattering and optical properties including the excitonic effects of T-carbon.

Tuning Optical Properties of Dibenzochrysenes by Functionalization: A Many-Body Perturbation Theory Study

2017 ◽  
Vol 121 (44) ◽  
pp. 24480-24488 ◽  
Author(s):  
Nicolas Dardenne ◽  
Roberto Cardia ◽  
Jing Li ◽  
Giuliano Malloci ◽  
Giancarlo Cappellini ◽  
...  
Keyword(s):  
Optical Properties ◽  
Perturbation Theory ◽  
Many Body ◽  
Many Body Perturbation Theory

scholarly journals Electronic and optical properties of doped TiO2 by many-body perturbation theory

2019 ◽  
Vol 3 (4) ◽  
Author(s):  
Michael O. Atambo ◽  
Daniele Varsano ◽  
Andrea Ferretti ◽  
S. Samaneh Ataei ◽  
Marilia J. Caldas ◽  
...  
Keyword(s):  
Optical Properties ◽  
Perturbation Theory ◽  
Many Body ◽  
Doped Tio2 ◽  
Electronic And Optical Properties ◽  
Many Body Perturbation Theory

Oxygen deficient centers in silica: optical properties within many-body perturbation theory

2013 ◽  
Vol 25 (33) ◽  
pp. 335502 ◽  
Author(s):  
N Richard ◽  
L Martin-Samos ◽  
S Girard ◽  
A Ruini ◽  
A Boukenter ◽  
...  
Keyword(s):  
Optical Properties ◽  
Perturbation Theory ◽  
Many Body ◽  
Many Body Perturbation Theory
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