Non-perturbative intertwining between spin and charge correlations: A``smoking gun''single-boson-exchange result
S Adler, F Krien, P Chalupa-Gantner, G Sangiovanni… - SciPost Physics, 2024 - scipost.org
We study the microscopic mechanism controlling the interplay between local charge and
local spin fluctuations in correlated electron systems via a thorough investigation of the …
local spin fluctuations in correlated electron systems via a thorough investigation of the …
Single-boson exchange formulation of the Schwinger-Dyson equation and its application to the functional renormalization group
M Patricolo, M Gievers, K Fraboulet, A Al-Eryani… - arXiv preprint arXiv …, 2024 - arxiv.org
We extend the recently introduced single-boson exchange formulation to the computation of
the self-energy from the Schwinger-Dyson equation (SDE). In particular, we derive its …
the self-energy from the Schwinger-Dyson equation (SDE). In particular, we derive its …
Addressing energy density functionals in the language of path-integrals II: comparative study of functional renormalization group techniques applied to the (0+0)-D O(N) …
K Fraboulet, JP Ebran - The European Physical Journal A, 2024 - Springer
The present paper is the second of a series of publications that aim at investigating relevant
directions to turn the nuclear energy density functional (EDF) method as an effective field …
directions to turn the nuclear energy density functional (EDF) method as an effective field …
Screening and effective RPA-like charge susceptibility in the extended Hubbard model
A Al-Eryani, S Heinzelmann, K Fraboulet… - arXiv preprint arXiv …, 2024 - arxiv.org
We generalize the recently introduced single-boson exchange formalism to nonlocal
interactions. In the functional renormalization group application to the extended Hubbard …
interactions. In the functional renormalization group application to the extended Hubbard …
Entangled magnetic, charge, and superconducting pairing correlations in the two-dimensional Hubbard model: a functional renormalization-group analysis
S Heinzelmann, A Toschi, S Andergassen - arXiv preprint arXiv …, 2023 - arxiv.org
Using the recently introduced multiloop extension of the functional renormalization group,
we compute the magnetic, density, and superconducting susceptibilities of the two …
we compute the magnetic, density, and superconducting susceptibilities of the two …
KeldyshQFT: A C++ codebase for real-frequency multiloop functional renormalization group and parquet computations of the single-impurity Anderson model
N Ritz, A Ge, E Walter, S Aguirre, J von Delft… - arXiv preprint arXiv …, 2024 - arxiv.org
We provide a detailed exposition of our computational framework designed for the accurate
calculation of real-frequency dynamical correlation functions of the single-impurity Anderson …
calculation of real-frequency dynamical correlation functions of the single-impurity Anderson …
Recent developments in the functional renormalization group approach to correlated electron systems
This topical issue compiles a series of articles on recent developments in the functional
renormalization group approach to correlated electron systems. In our Editorial, we provide …
renormalization group approach to correlated electron systems. In our Editorial, we provide …
Une nouvelle approche pour la détermination des fonctionnalités statiques et dynamiques des systèmes d'électrons fortement corrélés
L Philoxene - 2024 - theses.hal.science
In this work, a specific instance of a slave boson representation—originally introduced in the
context of the Hubbard model by Kotliar and Ruckenstein—is put to use toinvestigate the …
context of the Hubbard model by Kotliar and Ruckenstein—is put to use toinvestigate the …