Transport properties in non-Fermi liquid phases of nodal-point semimetals

I Mandal, H Freire - Journal of Physics: Condensed Matter, 2024 - iopscience.iop.org
In this review, we survey the current progress in computing transport properties in
semimetals which harbour non-Fermi liquid (NFL) phases. We first discuss the widely-used …

Revealing fermionic quantum criticality from new Monte Carlo techniques

XY Xu, ZH Liu, G Pan, Y Qi, K Sun… - Journal of Physics …, 2019 - iopscience.iop.org
This review summarizes recent developments in the study of fermionic quantum criticality,
focusing on new progress in numerical methodologies, especially quantum Monte Carlo …

Momentum space quantum monte carlo on twisted bilayer graphene

X Zhang, G Pan, Y Zhang, J Kang… - Chinese Physics …, 2021 - iopscience.iop.org
We report an implementation of the momentum space quantum Monte Carlo (QMC) method
on the interaction model for the twisted bilayer graphene (TBG). The long-range Coulomb …

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 …

Measuring Rényi entanglement entropy with high efficiency and precision in quantum Monte Carlo simulations

J Zhao, BB Chen, YC Wang, Z Yan, M Cheng… - npj Quantum …, 2022 - nature.com
We develop a nonequilibrium increment method in quantum Monte Carlo simulations to
obtain the Rényi entanglement entropy of various quantum many-body systems with high …

Stable computation of entanglement entropy for two-dimensional interacting fermion systems

G Pan, Y Da Liao, W Jiang, J D'Emidio, Y Qi, ZY Meng - Physical Review B, 2023 - APS
There is no doubt that the information hidden in entanglement entropy (EE), for example, the
n th order Rényi EE, ie, S n A= 1 1− n ln Tr (ρ A n), where ρ A= Tr A¯ ρ is the reduced density …

Many versus one: The disorder operator and entanglement entropy in fermionic quantum matter

W Jiang, BB Chen, ZH Liu, J Rong, FF Assaad… - SciPost Physics, 2023 - scipost.org
Motivated by recent development of the concept of the disorder operator and its relation with
entanglement entropy in bosonic systems, here we show the disorder operator successfully …

Higher-form symmetry breaking at Ising transitions

J Zhao, Z Yan, M Cheng, ZY Meng - Physical Review Research, 2021 - APS
In recent years, new phases of matter that are beyond the Landau paradigm of symmetry
breaking have been accumulating, and to catch up with this fast development, new notions …

Entanglement microscopy and tomography in many-body systems

TT Wang, M Song, L Lyu, W Witczak-Krempa… - Nature …, 2025 - nature.com
Quantum entanglement uncovers the essential principles of quantum matter, yet determining
its structure in realistic many-body systems poses significant challenges. Here, we employ a …

Field-theoretic functional renormalization group formalism for non-Fermi liquids and its application to the antiferromagnetic quantum critical metal in two dimensions

F Borges, A Borissov, A Singh, A Schlief, SS Lee - Annals of Physics, 2023 - Elsevier
To capture the universal low-energy physics of metals within effective field theories, one has
to generalize the usual notion of scale invariance and renormalizable field theory due to the …