Mean-field concept and post-DMFT methods in the modern theory of correlated systems
YS Lyakhova, GV Astretsov, AN Rubtsov - Uspekhi Fizicheskikh Nauk, 2023 - ufn.ru
We briefly review methods for modeling correlated systems. The concept of correlations is of
fundamental physical importance for systems such as Mott±Hubbard insulators, high …
fundamental physical importance for systems such as Mott±Hubbard insulators, high …
Correlated states in super-moire materials with a kernel polynomial quantics tensor cross interpolation algorithm
A Otero Fumega, M Niedermeier, J Lado - 2D Materials, 2024 - iopscience.iop.org
Super-moire materials represent a novel playground to engineer states of matter beyond the
possibilities of conventional moire materials. However, from the computational point of view …
possibilities of conventional moire materials. However, from the computational point of view …
Correlated states in super-moiré materials with a kernel polynomial quantics tensor cross interpolation algorithm
AO Fumega, M Niedermeier, J Lado - 2D Materials, 2024 - research.aalto.fi
Super-moiré materials represent a novel playground to engineer states of matter beyond the
possibilities of conventional moiré materials. However, from the computational point of view …
possibilities of conventional moiré materials. However, from the computational point of view …
Matrix-product-state-based band-Lanczos solver for quantum cluster approaches
We present a matrix-product state (MPS) based band-Lanczos method as solver for
quantum cluster methods such as the variational cluster approximation (VCA). While a na\" …
quantum cluster methods such as the variational cluster approximation (VCA). While a na\" …
Spectral decomposition and high-accuracy Greens functions: Overcoming the Nyquist-Shannon limit via complex-time Krylov expansion
S Paeckel - arXiv preprint arXiv:2411.09680, 2024 - arxiv.org
The accurate computation of low-energy spectra of strongly correlated quantum many-body
systems, typically accessed via Greens-functions, is a long-standing problem posing …
systems, typically accessed via Greens-functions, is a long-standing problem posing …
Correlated states in super-moire materials with a kernel polynomial quantics tensor cross algorithm
AO Fumega, M Niedermeier, JL Lado - arXiv preprint arXiv:2409.18898, 2024 - arxiv.org
Super-moire materials represent a novel playground to engineer states of matter beyond the
possibilities of conventional moire materials. However, from the computational point of view …
possibilities of conventional moire materials. However, from the computational point of view …
Transient superconductivity in three-dimensional Hubbard systems by combining matrix-product states and self-consistent mean-field theory
S Marten, G Bollmark, T Köhler, SR Manmana… - SciPost Physics, 2023 - scipost.org
We combine matrix-product-state (MPS) and mean-field (MF) methods to model the real-time
evolution of a three-dimensional (3D) extended Hubbard system formed from one …
evolution of a three-dimensional (3D) extended Hubbard system formed from one …
Finite size analysis for interacting bosons at the 2D-1D Dimensional Crossover
In this work, we extend the analysis of interacting bosons at 2D-1D dimensional crossover
for finite size and temperature by using field-theory approach (bosonization) and quantum …
for finite size and temperature by using field-theory approach (bosonization) and quantum …
Fusing matrix-product states with quantum Monte Carlo: reducing entanglement and sign problem at the same time
G Bollmark, S Mardazad, JS Hofmann… - arXiv preprint arXiv …, 2024 - arxiv.org
Systems of correlated quantum matter can be a steep challenge to any would-be method of
solution. Matrix-product state (MPS)-based methods can describe 1D systems quasiexactly …
solution. Matrix-product state (MPS)-based methods can describe 1D systems quasiexactly …
Концепция среднего поля и методы пост-DMFT в современной теории коррелированных систем
ЯС Ляхова, ГВ Астрецов, АН Рубцов - Успехи физических наук, 2023 - ufn.ru
Приводится краткий обзор методов моделирования коррелированных систем.
Представление о корреляциях принципиально важно для физики таких систем, как …
Представление о корреляциях принципиально важно для физики таких систем, как …