Many-body physics of ultracold alkaline-earth atoms with SU (N)-symmetric interactions

E Ibarra-García-Padilla… - Journal of Physics …, 2024 - iopscience.iop.org
Symmetries play a crucial role in understanding phases of matter and the transitions
between them. Theoretical investigations of quantum models with SU (N) symmetry have …

Metal-insulator transition and quantum magnetism in the SU (3) Fermi-Hubbard model

C Feng, E Ibarra-García-Padilla, KRA Hazzard… - Physical Review …, 2023 - APS
We develop a self-consistent variant of the constrained path quantum Monte Carlo approach
which ensures its independence of the trial wave function, and apply the method to compute …

Combinatorial summation of Feynman diagrams

E Kozik - Nature Communications, 2024 - nature.com
Feynman's diagrammatic series is a common language for a formally exact theoretical
description of systems of infinitely-many interacting quantum particles, as well as a …

SmoQyDQMC. jl: A flexible implementation of determinant quantum Monte Carlo for Hubbard and electron-phonon interactions

B Cohen-Stead, SM Costa, J Neuhaus, AT Ly… - SciPost Physics …, 2024 - scipost.org
We introduce the SmoQyDQMC. jl package, a Julia implementation of the determinant
quantum Monte Carlo algorithm. SmoQyDQMC. jl supports generalized tight-binding …

Structural complexity of snapshots of 2D Fermi-Hubbard systems

E Ibarra-García-Padilla, S Striegel, RT Scalettar… - arxiv preprint arxiv …, 2023 - arxiv.org
The development of quantum gas microscopy for two-dimensional optical lattices has
provided an unparalleled tool to study the Fermi-Hubbard model (FHM) with ultracold atoms …

Structural complexity of snapshots of two-dimensional Fermi-Hubbard systems

E Ibarra-García-Padilla, S Striegel, RT Scalettar… - Physical Review A, 2024 - APS
The development of quantum gas microscopy for two-dimensional optical lattices has
provided an unparalleled tool to study the Fermi-Hubbard model (FHM) with ultracold atoms …

Subdimensional magnetic polarons in the one-hole doped SU(3) model

H Schlömer, F Grusdt, U Schollwöck, KRA Hazzard… - Physical Review B, 2024 - APS
The physics of doped Mott insulators is at the heart of strongly correlated materials and is
believed to constitute an essential ingredient for high-temperature superconductivity. In …

Coexisting Néel and charge density wave orders in attractive three-color fermions

X Li, Y Wang - Physical Review B, 2024 - APS
In optical lattices attractive ultracold fermions with three hyperfine-spin components (colors)
can form three fermionic configurations depending on the interactions—unbound fermions …

Anisotropy-driven magnetic phase transitions in SU (4)-symmetric Fermi gas in three-dimensional optical lattices

V Unukovych, A Sotnikov - arxiv preprint arxiv:2403.04319, 2024 - arxiv.org
We study SU (4)-symmetric ultracold fermionic mixture in the cubic optical lattice with the
variable tunneling amplitude along one particular crystallographic axis in the crossover …

Probing the thermodynamics of SU (N)-symmetric Fermi gases with ultracold atoms

G Pasqualetti - 2023 - edoc.ub.uni-muenchen.de
In dieser Arbeit wird die Thermodynamik von SU (N)-Fermi-Gasen in einer Quasi-2D-
Geometrie untersucht. Unser System besteht aus Ytterbium-Atomen mit einer abstimmbaren …