Ground-state phase diagram of the triangular lattice Hubbard model by the density-matrix renormalization group method

T Shirakawa, T Tohyama, J Kokalj, S Sota, S Yunoki - Physical Review B, 2017 - APS
Two-dimensional density-matrix renormalization group method is employed to examine the
ground-state phase diagram of the Hubbard model on the triangular lattice at half-filling. The …

Charge transport in the Hubbard model at high temperatures: Triangular versus square lattice

A Vranić, J Vučičević, J Kokalj, J Skolimowski, R Žitko… - Physical Review B, 2020 - APS
High-temperature bad-metal transport has been recently studied both theoretically and in
experiments as one of the key signatures of strong electronic correlations. Here we use the …

Conductivity in the square lattice Hubbard model at high temperatures: Importance of vertex corrections

J Vučičević, J Kokalj, R Žitko, N Wentzell… - Physical Review Letters, 2019 - APS
Recent experiments on cold atoms in optical lattices allow for a quantitative comparison of
the measurements to the conductivity calculations in the square lattice Hubbard model …

Magnetic and charge susceptibilities in the half-filled triangular lattice Hubbard model

S Li, E Gull - Physical Review Research, 2020 - APS
We study the momentum-dependent magnetic and charge susceptibilities in the half-filled
two-dimensional triangular Hubbard model within the ladder dual fermion approximation in …

Electrical conductivity in the Hubbard model: Orbital effects of magnetic field

J Vučičević, R Žitko - Physical Review B, 2021 - APS
Calculation of conductivity in the Hubbard model is a challenging task. Recent years have
seen much progress in this respect and numerically exact solutions are now possible in …

Mott transition in the triangular lattice Hubbard model: A dynamical cluster approximation study

HT Dang, XY Xu, KS Chen, ZY Meng, S Wessel - Physical Review B, 2015 - APS
Based on dynamical cluster approximation (DCA) quantum Monte Carlo simulations, we
study the interaction-driven Mott metal-insulator transition (MIT) in the half-filled Hubbard …

Spin-orbit-induced exotic insulators in a three-orbital Hubbard model with electrons

T Sato, T Shirakawa, S Yunoki - Physical Review B, 2015 - APS
On the basis of the multiorbital dynamical mean-field theory, a three-orbital Hubbard model
with relativistic spin-orbit coupling (SOC) is studied at five electrons per site. The numerical …

Design and characterization of MoO3/In2Se3 heterojunctions as terahertz/gigahertz band filters suitable for visible light communications and 3G/4G technologies

AF Qasrawi, NMA Yaseen - Physica Scripta, 2021 - iopscience.iop.org
Abstract Herein, MoO 3/In 2 Se 3 (MI) heterojunctions are fabricated by a vacuum deposition
technique for use as wideband filters. The MI devices are composed of optical and electrical …

Cluster dynamical mean field theory study of antiferromagnetic transition in the square-lattice Hubbard model: Optical conductivity and electronic structure

T Sato, H Tsunetsugu - Physical Review B, 2016 - APS
We numerically study optical conductivity σ (ω) near the “antiferromagnetic” phase transition
in the square-lattice Hubbard model at half filling. We use a cluster dynamical mean field …

Comparative study of the density matrix embedding theory for Hubbard models

M Kawano, C Hotta - Physical Review B, 2020 - APS
We examine the performance of the density matrix embedding theory (DMET) recently
proposed in Knizia and Chan [Phys. Rev. Lett. 109, 186404 (2012) 10.1103/PhysRevLett …