scholarly journals Self-energy functional theory with symmetry breaking for disordered lattice bosons

2018 ◽  
Vol 3 (3) ◽  
pp. 034006 ◽  
Author(s):  
Dario Hügel ◽  
Hugo U R Strand ◽  
Lode Pollet
Keyword(s):  
Symmetry Breaking ◽  
Energy Functional ◽  
Functional Theory ◽  
Self Energy ◽  
Disordered Lattice

scholarly journals Nonequilibrium self-energy functional theory

2013 ◽  
Vol 88 (16) ◽  
Author(s):  
Felix Hofmann ◽  
Martin Eckstein ◽  
Enrico Arrigoni ◽  
Michael Potthoff
Keyword(s):  
Energy Functional ◽  
Functional Theory ◽  
Self Energy

scholarly journals Bosonic self-energy functional theory

2016 ◽  
Vol 94 (19) ◽  
Author(s):  
Dario Hügel ◽  
Philipp Werner ◽  
Lode Pollet ◽  
Hugo U. R. Strand
Keyword(s):  
Energy Functional ◽  
Functional Theory ◽  
Self Energy

scholarly journals Ferroelectric fatigue in layered perovskites from self-energy corrected density functional theory

RSC Advances ◽  
2017 ◽  
Vol 7 (35) ◽  
pp. 21856-21868 ◽  
Author(s):  
Kan-Hao Xue ◽  
Leonardo R. C. Fonseca ◽  
Xiang-Shui Miao
Keyword(s):  
Density Functional Theory ◽  
Density Functional ◽  
Bismuth Titanate ◽  
Band Alignment ◽  
Layered Perovskite ◽  
Functional Theory ◽  
Self Energy ◽  
Layered Perovskites

We employed GGA-1/2 to investigate the band alignment between platinum and various layered perovskite Aurivillius ferroelectrics. A model is proposed for ferroelectric fatigue in bismuth titanate based on our calculation.

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