Add to ORKGWe use a solvable model to perform modified dyson mapping and reveal the unphysical-state effects in the original Random Phase Approximation (RPA). We then propose a method to introduce the RPA and improve it based on a Boson mapping
It is well known that within self-consistent random-phase approximation (RPA) on top of Hartree-Fock...
The matrix equations of the random-phase approximation (RPA) are derived for the point-coupling Lagr...
The random phase approximation (RPA) builds in correlations left out by mean-field theory. In full 0...
We use a solvable model to perform modified Dyson mapping and reveal the unphysical-state effects in...
5 figuresWorking within an exactly solvable 3 level model, we discuss am extension of the Random Pha...
Starting from the equations of motion expressed as ground-state expectation values, we have derived ...
We present a new extension of the random-phase approximation method: the quasiboson approximation is...
A limitation common to all extensions of random-phase approximation including only particle-hole con...
International audienceWe consider a spin-imbalanced Fermi gas at zero temperature in the normal phas...
This Ph.D. thesis derives the equations of the Faddeev Random Phase Approximation (FRPA) and applies...
International audienceWe present an extension of the random-phase approximation (RPA) where the RPA ...
It is well known that the random phase approximation breaks down in the absence of a substantial ene...
International audienceWe consider a spin-imbalanced Fermi gas at zero temperature in the normal phas...
We have applied a proposed higher-order random phase approximation (RPA) to the simple model system ...
The Faddeev Random Phase Approximation (FRPA) is a Green’s function method which couples collective ...
It is well known that within self-consistent random-phase approximation (RPA) on top of Hartree-Fock...
The matrix equations of the random-phase approximation (RPA) are derived for the point-coupling Lagr...
The random phase approximation (RPA) builds in correlations left out by mean-field theory. In full 0...
We use a solvable model to perform modified Dyson mapping and reveal the unphysical-state effects in...
5 figuresWorking within an exactly solvable 3 level model, we discuss am extension of the Random Pha...
Starting from the equations of motion expressed as ground-state expectation values, we have derived ...
We present a new extension of the random-phase approximation method: the quasiboson approximation is...
A limitation common to all extensions of random-phase approximation including only particle-hole con...
International audienceWe consider a spin-imbalanced Fermi gas at zero temperature in the normal phas...
This Ph.D. thesis derives the equations of the Faddeev Random Phase Approximation (FRPA) and applies...
International audienceWe present an extension of the random-phase approximation (RPA) where the RPA ...
It is well known that the random phase approximation breaks down in the absence of a substantial ene...
International audienceWe consider a spin-imbalanced Fermi gas at zero temperature in the normal phas...
We have applied a proposed higher-order random phase approximation (RPA) to the simple model system ...
The Faddeev Random Phase Approximation (FRPA) is a Green’s function method which couples collective ...
It is well known that within self-consistent random-phase approximation (RPA) on top of Hartree-Fock...
The matrix equations of the random-phase approximation (RPA) are derived for the point-coupling Lagr...
The random phase approximation (RPA) builds in correlations left out by mean-field theory. In full 0...