Dynamical vertex approximation for many-electron systems with spontaneously broken SU(2) symmetry
TLDR
In this paper, a diagrammatic extension of dynamical mean field theory to magnetic ordered phases is proposed to reveal the spectroscopic signatures of electronic correlations in strongly correlated quantum magnets.Abstract:
While it is commonly assumed that correlation effects in quantum materials get partly mitigated by the onset of magnetic order, the precise role played by strong correlations in spontaneous symmetry-broken phases remains largely unexplored. Here, the authors' generalization of one of the most used diagrammatic extensions of dynamical mean-field theory to treat magnetic ordered phases provides a powerful tool to unveil the spectroscopic signatures of electronic correlations in strongly correlated quantum magnets, as highlighted by preliminary results for testbed cases.read more
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turboMagnon - A code for the simulation of spin-wave spectra using the Liouville-Lanczos approach to time-dependent density-functional perturbation theory
TL;DR: The turboMagnon project as mentioned in this paper is an implementation of the Liouville-Lanczos approach to linearized time-dependent density-functional theory, designed to simulate spin-wave spectra in solid-state materials.
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How to read between the lines of electronic spectra: the diagnostics of fluctuations in strongly correlated electron systems
Thomas Schäfer,Alessandro Toschi +1 more
TL;DR: A comprehensive overview of the different approaches which have been recently developed and applied to identify the dominant two-particle scattering processes controlling the shape of the one-particles spectral functions and, in some cases, of the physical response of the system.
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Single-boson exchange representation of the functional renormalization group for strongly interacting many-electron systems
TL;DR: Krien et al. as mentioned in this paper presented a reformulation of the functional renormalization group (fRG) for many-electron systems, which relies on the recently introduced single-boson exchange (SBE) representation of the parquet equations.
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Resistivity Exponents in 3D Dirac Semimetals From Electron-Electron Interaction.
TL;DR: This work studies the resistivity of three-dimensional semimetals with linear dispersion in the presence of on-site electron-electron interaction to yield a natural explanation for the hitherto not understood large exponents characterizing the temperature dependence of transport experiments on various topological semimetal.
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Mechanism of superconductivity in the Hubbard model at intermediate interaction strength
TL;DR: In this article , the pairing glue of superconductivity in the two-dimensional Hubbard model was investigated for interaction values relevant to cuprate physics, within a nonperturbative and unbiased approach.
References
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