Topological order, emergent gauge fields, and Fermi surface reconstruction

S Sachdev - Reports on Progress in Physics, 2018 - iopscience.iop.org
This review describes how topological order associated with the presence of emergent
gauge fields can reconstruct Fermi surfaces of metals, even in the absence of translational …

Frustration and quantum criticality

M Vojta - Reports on Progress in Physics, 2018 - iopscience.iop.org
This review article is devoted to the interplay between frustrated magnetism and quantum
critical phenomena, covering both theoretical concepts and ideas as well as recent …

Quantum phases of Rydberg atoms on a kagome lattice

R Samajdar, WW Ho, H Pichler… - Proceedings of the …, 2021 - National Acad Sciences
We analyze the zero-temperature phases of an array of neutral atoms on the kagome lattice,
interacting via laser excitation to atomic Rydberg states. Density-matrix renormalization …

Uncovering conformal symmetry in the 3D Ising transition: state-operator correspondence from a quantum fuzzy sphere regularization

W Zhu, C Han, E Huffman, JS Hofmann, YC He - Physical Review X, 2023 - APS
The 3D Ising transition, the most celebrated and unsolved critical phenomenon in nature,
has long been conjectured to have emergent conformal symmetry, similar to the case of the …

Observing the space-and time-dependent growth of correlations in dynamically tuned synthetic Ising models with antiferromagnetic interactions

V Lienhard, S de Léséleuc, D Barredo, T Lahaye… - Physical Review X, 2018 - APS
We explore the dynamics of artificial one-and two-dimensional Ising-like quantum
antiferromagnets with different lattice geometries by using a Rydberg quantum simulator of …

Emergent Gauge Theories and Topological Excitations in Rydberg Atom Arrays

R Samajdar, DG Joshi, Y Teng, S Sachdev - Physical Review Letters, 2023 - APS
Strongly interacting arrays of Rydberg atoms provide versatile platforms for exploring exotic
many-body phases and dynamics of correlated quantum systems. Motivated by recent …

Critical Level Crossings and Gapless Spin Liquid in the Square-Lattice Spin- Heisenberg Antiferromagnet

L Wang, AW Sandvik - Physical review letters, 2018 - APS
We use the density matrix renormalization group method to calculate several energy
eigenvalues of the frustrated S= 1/2 square-lattice J 1-J 2 Heisenberg model on 2 L× L …

Quantum Electrodynamics in Dimensions as the Organizing Principle of a Triangular Lattice Antiferromagnet

A Wietek, S Capponi, AM Läuchli - Physical Review X, 2024 - APS
Quantum electrodynamics in 2+ 1 dimensions (QED 3) has been proposed as a critical field
theory describing the low-energy effective theory of a putative algebraic Dirac spin liquid or …

kagome Heisenberg antiferromagnet revisited

AM Läuchli, J Sudan, R Moessner - Physical Review B, 2019 - APS
We examine the perennial quantum spin liquid candidate S= 1 2 Heisenberg
antiferromagnet on the kagome lattice. Our paper is based on achieving Lanczos …

Conformal dimensions via large charge expansion

D Banerjee, S Chandrasekharan, D Orlando - Physical review letters, 2018 - APS
We construct an efficient Monte Carlo algorithm that overcomes the severe signal-to-noise
ratio problems and helps us to accurately compute the conformal dimensions of large-Q …