Deconfined quantum critical points: a review

T Senthil - 50 Years of the Renormalization Group: Dedicated to …, 2024 - World Scientific
Continuous phase transitions in equilibrium statistical mechanics were successfully
described 50 years ago with the development of the renormalization group framework. This …

SO (5) Deconfined Phase Transition under the Fuzzy-Sphere Microscope: Approximate Conformal Symmetry, Pseudo-Criticality, and Operator Spectrum

Z Zhou, L Hu, W Zhu, YC He - Physical Review X, 2024 - APS
The deconfined quantum critical point (DQCP) is an example of phase transitions beyond
the Landau symmetry-breaking paradigm that attracts wide interest. However, its nature has …

Disorder operator and Rényi entanglement entropy of symmetric mass generation

ZH Liu, Y Da Liao, G Pan, M Song, J Zhao, W Jiang… - Physical Review Letters, 2024 - APS
The “symmetric mass generation”(SMG) quantum phase transition discovered in recent
years has attracted great interest from both condensed matter and high energy theory …

Scaling of entanglement entropy at deconfined quantum criticality

J Zhao, YC Wang, Z Yan, M Cheng, ZY Meng - Physical Review Letters, 2022 - APS
We develop a nonequilibrium increment method to compute the Rényi entanglement
entropy and investigate its scaling behavior at the deconfined critical (DQC) point via large …

Emergence of gapless quantum spin liquid from deconfined quantum critical point

WY Liu, J Hasik, SS Gong, D Poilblanc, WQ Chen… - Physical Review X, 2022 - APS
Quantum spin liquids (QSLs) as novel phases of matter with long-range entanglement and
deconfined quantum critical points (DQCPs) as descriptions for unconventional phase …

Strong coupling theory of magic-angle graphene: A pedagogical introduction

PJ Ledwith, E Khalaf, A Vishwanath - Annals of Physics, 2021 - Elsevier
We give a self contained review of a recently developed strong coupling theory of magic-
angle graphene. An advantage of this approach is that a single formulation can capture both …

Deconfined quantum criticality lost

M Song, J Zhao, M Cheng, C Xu, MM Scherer… - arXiv preprint arXiv …, 2023 - arxiv.org
Over the past two decades, the enigma of the deconfined quantum critical point (DQCP) has
attracted broad attention across the condensed matter, quantum field theory, and high …

Theory of deconfined pseudocriticality

R Ma, C Wang - Physical Review B, 2020 - APS
It has been proposed that the deconfined criticality in (2+ 1) d—the quantum phase transition
between a Néel antiferromagnet and a valence-bond solid (VBS)—may actually be …

Extracting subleading corrections in entanglement entropy at quantum phase transitions

M Song, J Zhao, ZY Meng, C Xu, M Cheng - SciPost Physics, 2024 - scipost.org
We systematically investigate the finite size scaling behavior of the Rényi entanglement
entropy (EE) of several representative 2d quantum many-body systems between a …

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 …