Flavor-wave theory with quasiparticle dam** at finite temperatures: Application to chiral edge modes in the Kitaev model
We propose a theoretical framework to investigate elementary excitations at finite
temperatures within a localized electron model that describes the interactions between …
temperatures within a localized electron model that describes the interactions between …
Hybrid spin-orbit exciton-magnon excitations in FePS3
FePS3 is a layered van der Waals (vdW) Ising antiferromagnet that has recently been
studied in the context of true 2D magnetism and emerged as an ideal material platform for …
studied in the context of true 2D magnetism and emerged as an ideal material platform for …
Solving correlation clustering with QAOA and a Rydberg qudit system: a full-stack approach
We study the correlation clustering problem using the quantum approximate optimization
algorithm (QAOA) and qudits, which constitute a natural platform for such non-binary …
algorithm (QAOA) and qudits, which constitute a natural platform for such non-binary …
The ALF (Algorithms for Lattice Fermions) project release 2.0. Documentation for the auxiliary-field quantum Monte Carlo code
FF Assaad, M Bercx, F Goth, A Götz… - SciPost Physics …, 2022 - scipost.org
Abstract The Algorithms for Lattice Fermions package provides a general code for the finite-
temperature and projective auxiliary-field quantum Monte Carlo algorithm. The code is …
temperature and projective auxiliary-field quantum Monte Carlo algorithm. The code is …
The nature of correlations in the insulating states of twisted bilayer graphene
The recently observed superconductivity in twisted bilayer graphene emerges from
insulating states believed to arise from electronic correlations. While there have been many …
insulating states believed to arise from electronic correlations. While there have been many …
Zooming in on heavy fermions in Kondo lattice models
Resolving the heavy fermion band in the conduction electron momentum resolved spectral
function of the Kondo lattice model is challenging since, in the weak coupling limit, its …
function of the Kondo lattice model is challenging since, in the weak coupling limit, its …
Density matrix renormalization group simulations of SU() Heisenberg chains using standard Young tableaus: Fundamental representation and comparison with a …
We develop an efficient method to perform density matrix renormalization group simulations
of the SU (N) Heisenberg chain with open boundary conditions taking full advantage of the …
of the SU (N) Heisenberg chain with open boundary conditions taking full advantage of the …
SU (4)-symmetric spin-orbital liquids on the hyperhoneycomb lattice
We study the effective spin-orbital model that describes the magnetism of 4 d 1 or 5 d 1 Mott
insulators in ideal tricoordinated lattices. In the limit of vanishing Hund's coupling, the model …
insulators in ideal tricoordinated lattices. In the limit of vanishing Hund's coupling, the model …
Intertwining SU() symmetry and frustration on a honeycomb lattice
Large symmetry groups in quantum many-body systems could strongly enhance quantum
fluctuations and thereby stabilize exotic quantum phases. Frustrated interactions were long …
fluctuations and thereby stabilize exotic quantum phases. Frustrated interactions were long …
Mott transition in the -flux Hubbard model on a square lattice
Z Zhou, C Wu, Y Wang - Physical Review B, 2018 - APS
With increasing repulsive interaction, we show that a Mott transition occurs from the
semimetal to the valence bond solid, accompanied by the Z 4 discrete symmetry breaking …
semimetal to the valence bond solid, accompanied by the Z 4 discrete symmetry breaking …