Frustrated quantum rare-earth pyrochlores

JG Rau, MJP Gingras - Annual Review of Condensed Matter …, 2019 - annualreviews.org
In this review, we provide an introduction to the physics of a series of frustrated quantum rare-
earth pyrochlores. We first give a background on the microscopic single-and two-ion physics …

Proximate spin liquid and fractionalization in the triangular antiferromagnet KYbSe2

AO Scheie, EA Ghioldi, J **ng, JAM Paddison… - Nature Physics, 2024 - nature.com
The Heisenberg triangular-lattice quantum spin liquid and its phase transitions to nearby
magnetic orders have received much theoretical attention, but clear experimental …

Experimental signatures of a three-dimensional quantum spin liquid in effective spin-1/2 Ce2Zr2O7 pyrochlore

B Gao, T Chen, DW Tam, CL Huang, K Sasmal… - Nature Physics, 2019 - nature.com
A quantum spin liquid is a state of matter where unpaired electrons' spins, although
entangled, do not show magnetic order even at the zero temperature. The realization of a …

Broken-symmetry ground states of the heisenberg model on the pyrochlore lattice

N Astrakhantsev, T Westerhout, A Tiwari, K Choo… - Physical Review X, 2021 - APS
The spin-1/2 Heisenberg model on the pyrochlore lattice is an iconic frustrated three-
dimensional spin system with a rich phase diagram. Besides hosting several ordered …

Exact three-colored quantum scars from geometric frustration

K Lee, R Melendrez, A Pal, HJ Changlani - Physical Review B, 2020 - APS
Nonequilibrium properties of quantum materials present many intriguing properties, among
them athermal behavior, which violates the eigenstate thermalization hypothesis. Such …

A quantum liquid of magnetic octupoles on the pyrochlore lattice

R Sibille, N Gauthier, E Lhotel, V Porée… - Nature physics, 2020 - nature.com
Spin liquids are highly correlated yet disordered states formed by the entanglement of
magnetic dipoles. Theories define such states using gauge fields and deconfined …

Quantum-to-classical crossover in generalized spin systems: Temperature-dependent spin dynamics of

D Dahlbom, FT Brooks, MS Wilson, S Chi… - Physical Review B, 2024 - APS
Simulating quantum spin systems at finite temperatures is an open challenge in many-body
physics. This work studies the temperature-dependent spin dynamics of a pivotal compound …

Dynamical Structure Factor of the Three-Dimensional Quantum Spin Liquid Candidate

S Zhang, HJ Changlani, KW Plumb, O Tchernyshyov… - Physical Review Letters, 2019 - APS
We study the dynamical structure factor of the spin-1 pyrochlore material NaCaNi 2 F 7,
which is well described by a weakly perturbed nearest-neighbour Heisenberg Hamiltonian …

Frustration-induced emergent Hilbert space fragmentation

K Lee, A Pal, HJ Changlani - Physical Review B, 2021 - APS
Although most quantum systems thermalize locally on short timescales independent of initial
conditions, recent developments have shown this is not always the case. Lattice geometry …

Multiloop functional renormalization group approach to quantum spin systems

D Kiese, T Müller, Y Iqbal, R Thomale, S Trebst - Physical Review Research, 2022 - APS
Renormalization group methods are well-established tools for the (numerical) investigation
of the low-energy properties of correlated quantum many-body systems, allowing us to …