Diagrammatic Monte Carlo approach for diagrammatic extensions of dynamical mean-field theory: Convergence analysis of the dual fermion technique
The dual fermion approach provides a formally exact prescription for calculating properties
of a correlated electron system in terms of a diagrammatic expansion around dynamical …
of a correlated electron system in terms of a diagrammatic expansion around dynamical …
Fulde-Ferrell-Larkin-Ovchinnikov pairing as leading instability on the square lattice
We study attractively interacting spin-1 2 fermions on the square lattice subject to a spin
population imbalance. Using unbiased diagrammatic Monte Carlo simulations we find an …
population imbalance. Using unbiased diagrammatic Monte Carlo simulations we find an …
Quantum embedding methods in dual space for strongly interacting electronic systems
M Vandelli - 2022 - pure.mpg.de
Derzeit besteht eine große methodische Lücke zwischen den numerischen Instrumenten,
die in den ab-initio rechnergestützten Materialwissenschaften verwendet werden, und den …
die in den ab-initio rechnergestützten Materialwissenschaften verwendet werden, und den …
Ising antiferromagnet in the two-dimensional Hubbard model with mismatched Fermi surfaces
We study the phase diagram of the two-dimensional repulsive Hubbard model with spin-
dependent anisotropic hopping at half filling. The system develops Ising antiferromagnetic …
dependent anisotropic hopping at half filling. The system develops Ising antiferromagnetic …
Connecting the Dots: Tensor Network Algorithms for Two-Dimensional Strongly-Correlated Systems
J Osorio Iregui - 2017 - research-collection.ethz.ch
Tensor network algorithms (TNAs) represent one of the most recent developments in the
field of numerical methods for the simulation of strongly-correlated many-body systems …
field of numerical methods for the simulation of strongly-correlated many-body systems …
Ising Antiferromagnet in the 2D Hubbard Model with Mismatched Fermi Surfaces
J Gukelberger, L Wang, L Pollet - arXiv preprint arXiv:1702.00035, 2017 - arxiv.org
We study the phase diagram of the two-dimensional repulsive Hubbard model with spin-
dependent anisotropic hopping at half-filling. The system develops Ising antiferromagnetic …
dependent anisotropic hopping at half-filling. The system develops Ising antiferromagnetic …