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 …

Thermal Hall effects in quantum magnets

XT Zhang, YH Gao, G Chen - Physics Reports, 2024 - Elsevier
In the recent years, the thermal Hall transport has risen as an important diagnosis of the
physical properties of the elementary excitations in various quantum materials, especially …

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 …

Quantum spin ice response to a magnetic field in the dipole-octupole pyrochlore

EM Smith, J Dudemaine, B Placke, R Schäfer… - Physical Review B, 2023 - APS
The pyrochlore magnet Ce 2 Zr 2 O 7 has attracted much attention as a quantum spin ice
candidate whose novelty derives in part from the dipolar-octupolar nature of the Ce 3+ …

Probing octupolar hidden order via Janus impurities

S Voleti, K Pradhan, S Bhattacharjee… - npj Quantum …, 2023 - nature.com
Quantum materials with non-Kramers doublets are a fascinating venue to realize multipolar
hidden orders. Impurity probes which break point group symmetries, such as implanted …

Symmetry fractionalization in the gauge mean-field theory of quantum spin ice

F Desrochers, LE Chern, YB Kim - Physical Review B, 2023 - APS
Symmetry fractionalization is a ubiquitous feature of topologically ordered states that can be
used to classify different symmetry-enriched topological phases and reveal some of their …

study of the dipole-octupole quantum spin ice candidate

J Beare, EM Smith, J Dudemaine, R Schäfer… - Physical Review B, 2023 - APS
The Ce 3+ pseudospin-1/2 degrees of freedom in Ce 2 Zr 2 O 7 possess both dipolar and
octupolar character which enables the possibility of novel quantum spin liquid ground states …

Spectroscopic signatures of fractionalization in octupolar quantum spin ice

F Desrochers, YB Kim - Physical Review Letters, 2024 - APS
Recent investigations on the dipolar-octupolar compounds Ce 2 Zr 2 O 7 and Ce 2 Sn 2 O 7
suggest that they may stabilize so-called π-flux octupolar quantum spin ice (π-O-QSI), a …

Magnetic field effects in an octupolar quantum spin liquid candidate

B Gao, T Chen, H Yan, C Duan, CL Huang, XP Yao… - Physical Review B, 2022 - APS
Quantum spin liquid (QSL) is a disordered state of quantum-mechanically entangled spins
commonly arising from frustrated magnetic dipolar interactions. However, QSL in some …

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 …