The GW approximation: content, successes and limitations
L Reining - Wiley Interdisciplinary Reviews: Computational …, 2018 - Wiley Online Library
Many observables such as the density, total energy, or electric current, can be expressed
explicitly in terms of the one‐body Green's function, which describes electron addition or …
explicitly in terms of the one‐body Green's function, which describes electron addition or …
[책][B] Quantum kinetics in transport and optics of semiconductors
H Haug, AP Jauho - 2008 - Springer
During the 11 years since the first edition was published the field of quantum kinetics has
experienced a great expansion, and the methods described in the first edition are now …
experienced a great expansion, and the methods described in the first edition are now …
Ultrafast dynamics of strongly correlated fermions—nonequilibrium Green functions and selfenergy approximations
This article presents an overview on recent progress in the theory of nonequilibrium Green
functions (NEGF). We discuss applications of NEGF simulations to describe the femtosecond …
functions (NEGF). We discuss applications of NEGF simulations to describe the femtosecond …
Levels of self-consistency in the GW approximation
We perform GW calculations on atoms and diatomic molecules at different levels of self-
consistency and investigate the effects of self-consistency on total energies, ionization …
consistency and investigate the effects of self-consistency on total energies, ionization …
Kadanoff-Baym approach to quantum transport through interacting nanoscale systems: From the transient to the steady-state regime
We propose a time-dependent many-body approach to study the short-time dynamics of
correlated electrons in quantum transport through nanoscale systems contacted to metallic …
correlated electrons in quantum transport through nanoscale systems contacted to metallic …
Beyond the approximation: Combining correlation channels
In many-body perturbation theory (MBPT) the self-energy Σ= i GW Γ plays a key role since it
contains all the many-body effects of the system. The exact self-energy is not known; as a …
contains all the many-body effects of the system. The exact self-energy is not known; as a …
[HTML][HTML] Evaluation of two-particle properties within finite-temperature self-consistent one-particle Green's function methods: Theory and application to GW and GF2
One-particle Green's function methods can model molecular and solid spectra at zero or non-
zero temperatures. One-particle Green's functions directly provide electronic energies and …
zero temperatures. One-particle Green's functions directly provide electronic energies and …
Anomalous propagators and the particle-particle channel: Hedin's equations
Hedin's equations provide an elegant route to compute the exact one-body Green's function
(or propagator) via the self-consistent iteration of a set of nonlinear equations. Its first-order …
(or propagator) via the self-consistent iteration of a set of nonlinear equations. Its first-order …
[HTML][HTML] Exploring connections between statistical mechanics and Green's functions for realistic systems: Temperature dependent electronic entropy and internal …
Including finite-temperature effects from the electronic degrees of freedom in electronic
structure calculations of semiconductors and metals is desired; however, in practice it …
structure calculations of semiconductors and metals is desired; however, in practice it …
Mott physics and collective modes: An atomic approximation of the four-particle irreducible functional
We discuss a generalization of the dynamical mean field theory (DMFT) for strongly
correlated systems close to a Mott transition based on a systematic approximation of the fully …
correlated systems close to a Mott transition based on a systematic approximation of the fully …