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 …

Proximate deconfined quantum critical point in SrCu2(BO3)2

Y Cui, L Liu, H Lin, KH Wu, W Hong, X Liu, C Li, Z Hu… - Science, 2023 - science.org
The deconfined quantum critical point (DQCP) represents a paradigm shift in quantum
matter studies, presenting a “beyond Landau” scenario for order-order transitions. Its …

High-accuracy variational Monte Carlo for frustrated magnets with deep neural networks

C Roth, A Szabó, AH MacDonald - Physical Review B, 2023 - APS
We show that neural quantum states based on very deep (4–16-layered) neural networks
can outperform state-of-the-art variational approaches on highly frustrated quantum …

Gapless quantum spin liquid and global phase diagram of the spin-1/2 J1-J2 square antiferromagnetic Heisenberg model

WY Liu, SS Gong, YB Li, D Poilblanc, WQ Chen, ZC Gu - Science bulletin, 2022 - Elsevier
The nature of the zero-temperature phase diagram of the spin-1/2 J 1-J 2 Heisenberg model
on a square lattice has been debated in the past three decades, and it remains one of the …

Emergent self-duality in a long-range critical spin chain: From deconfined criticality to first-order transition

S Yang, Z Pan, DC Lu, XJ Yu - Physical Review B, 2023 - APS
Over the past few decades, tremendous efforts have been devoted to understanding self-
duality at the quantum critical point, which enlarges the global symmetry and constrains the …

Candidate quantum disordered intermediate phase in the Heisenberg antiferromagnet on the maple-leaf lattice

L Gresista, C Hickey, S Trebst, Y Iqbal - Physical Review B, 2023 - APS
Quantum antiferromagnets on geometrically frustrated lattices have long attracted interest for
the formation of quantum disordered states and the possible emergence of quantum spin …

Superconducting valence bond fluid in lightly doped eight-leg cylinders

HC Jiang, SA Kivelson, DH Lee - Physical Review B, 2023 - APS
Superconductivity in doped quantum paramagnets has been a subject of long theoretical
inquiry. In this work, we report a density matrix renormalization group study of lightly doped …

Deconfined quantum criticality of nodal -wave superconductivity, Néel order, and charge order on the square lattice at half-filling

M Christos, H Shackleton, S Sachdev, ZX Luo - Physical Review Research, 2024 - APS
We consider a SU (2) lattice gauge theory on the square lattice, with a single fundamental
complex fermion and a single fundamental complex boson on each lattice site. Projective …

Superconducting stripes in the hole-doped three-band Hubbard model

B Ponsioen, SS Chung, P Corboz - Physical Review B, 2023 - APS
We study the ground state properties of the hole-doped three-band Hubbard (Emery) model,
describing the copper-oxygen planes of the cuprates, using large-scale two-dimensional …

Generating function for projected entangled-pair states

WL Tu, L Vanderstraeten, N Schuch, HY Lee… - PRX Quantum, 2024 - APS
Diagrammatic summation is a common bottleneck in modern applications of projected
entangled-pair states, especially in computing low-energy excitations of a two-dimensional …