Experimental signatures of quantum and topological states in frustrated magnetism

J Khatua, B Sana, A Zorko, M Gomilšek, K Sethupathi… - Physics Reports, 2023 - Elsevier
Frustration in magnetic materials arising from competing exchange interactions can prevent
the system from adopting long-range magnetic order and can instead lead to a diverse …

Experimental Insights into Quantum Spin Ice Physics in Dipole–Octupole Pyrochlore Magnets

EM Smith, E Lhotel, S Petit… - Annual Review of …, 2024 - annualreviews.org
We review a key subset of the experimental studies that have recently focused on cubic
pyrochlore magnets whose pseudospin-1 2 degrees of freedom have mixed dipolar and …

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 …

Giant Magnetic In-Plane Anisotropy and Competing Instabilities in

X Li, Y Gu, Y Chen, VO Garlea, K Iida, K Kamazawa… - Physical Review X, 2022 - APS
We report magnetometry data obtained on twin-free single crystals of Na 3 Co 2 SbO 6,
which is considered a candidate material for realizing the Kitaev honeycomb model for …

Case for a Quantum Spin Liquid Ground State in the Dipole-Octupole Pyrochlore

EM Smith, O Benton, DR Yahne, B Placke, R Schäfer… - Physical Review X, 2022 - APS
The Ce 3+ pseudospin-1/2 degrees of freedom in the pyrochlore magnet Ce 2 Zr 2 O 7 are
known to possess dipole-octupole character, making it a candidate for novel quantum spin …

Sleuthing out exotic quantum spin liquidity in the pyrochlore magnet Ce2Zr2O7

A Bhardwaj, S Zhang, H Yan, R Moessner… - npj Quantum …, 2022 - nature.com
The search for quantum spin liquids—topological magnets with fractionalized excitations—
has been a central theme in condensed matter and materials physics. Despite numerous …

Dipolar Spin Ice Regime Proximate to an All-In-All-Out Néel Ground State in the Dipolar-Octupolar Pyrochlore

DR Yahne, B Placke, R Schäfer, O Benton, R Moessner… - Physical Review X, 2024 - APS
The dipolar-octupolar (DO) pyrochlores, R 2 M 2 O 7 (R= Ce, Sm, Nd), are key players in the
search for realizable novel quantum spin liquid (QSL) states as a large parameter space …

Emergence of mesoscale quantum phase transitions in a ferromagnet

A Wendl, H Eisenlohr, F Rucker, C Duvinage… - Nature, 2022 - nature.com
Mesoscale patterns as observed in, for example, ferromagnets, ferroelectrics,
superconductors, monomolecular films or block copolymers, reflect spatial variations of a …

Quantum paramagnetism in a non-Kramers rare-earth oxide: Monoclinic

H Man, A Ghasemi, M Adnani, MA Siegler… - Physical Review …, 2023 - APS
Little is so far known about the magnetism of the A 2 B 2 O 7 monoclinic layered perovskites
that replace the spin-ice supporting pyrochlore structure for r A/r B> 1.78. We show that high …

Fragmentation in frustrated magnets: A review

E Lhotel, LDC Jaubert, PCW Holdsworth - Journal of Low Temperature …, 2020 - Springer
Spin liquids are exotic phases of matter that often support emergent gauge fields and quasi-
particle excitations. While spin liquids are commonly known for remaining disordered, their …