activity
20122024
most citedSeeing the light : experimental signatures of emergent electromagnetism in a quantum spin ice

244 citations · 1.5k across the 33 of their papers we have counts for

collaborators

33 papers

cond-mat.str-el2024★ 1 cited

An Atlas of Classical Pyrochlore Spin Liquids

Daniel Lozano-Gómez, Owen Benton, Michel J. P. Gingras +1

Frustrated magnetism in the pyrochlore lattice magnet has proven to be a most fruitful setting for the experimental and theoretical search for spin liquids. Besides the canonical c…

cond-mat.str-el2023

Ising Fracton Spin Liquid on the Honeycomb Lattice

Benedikt Placke, Owen Benton, Roderich Moessner

We study a classical Ising model on the honeycomb lattice with local two-body interactions and present strong evidence that at low temperature it realizes a higher-rank Coulomb liq…

cond-mat.str-el2023★ 21 cited

Quantum Spin Ice Response to a Magnetic Field in the Dipole-Octupole Pyrochlore CeZrO

E. M. Smith, J. Dudemaine, B. Placke +17

We report new heat capacity measurements on single crystal CeZrO down to 0.1 K in a magnetic field along the direction. These new measurements s…

cond-mat.str-el2023★ 5 cited

Classification of Classical Spin Liquids: Typology and Resulting Landscape

Han Yan, Owen Benton, Roderich Moessner +1

Classical spin liquids (CSL) lack long-range magnetic order and are characterized by an extensive ground state degeneracy. We propose a classification scheme of CSLs based on the s…

cond-mat.str-el2023★ 3 cited

Classification of Classical Spin Liquids: Detailed Formalism and Suite of Examples

Han Yan, Owen Benton, Andriy H. Nevidomskyy +1

The hallmark of highly frustrated systems is the presence of many states close in energy to the ground state. Fluctuations between these states can preclude the emergence of any fo…

cond-mat.str-el2022★ 24 cited

Dipolar spin ice regime proximate to an all-in-all-out Néel ground state in the dipolar-octupolar pyrochlore CeSnO

D. R. Yahne, B. Placke, R. Schäfer +11

The dipolar-octupolar (DO) pyrochlores, RMO (R = Ce, Sm, Nd), are key players in the search for realizable novel quantum spin liquid (QSL) states as a large parameter s…

cond-mat.str-el2022★ 21 cited

Abundance of hard-hexagon crystals in the quantum pyrochlore antiferromagnet

Robin Schäfer, Benedikt Placke, Owen Benton +1

We propose a simple family of valence-bond crystals as potential ground states of the and Heisenberg antiferromagnet on the pyrochlore lattice. Exponentially numerous…

cond-mat.str-el2022★ 1 cited

Reply to "Comment on: 'Case for a U(1) Quantum Spin Liquid Ground State in the Dipole-Octupole Pyrochlore ' "

E. M. Smith, O. Benton, D. R. Yahne +20

In his comment [arXiv:2209.03235], S. W. Lovesey argues that our analysis of neutron scattering experiments performed on CeZrO is invalid. Lovesey argues that we have n…

cond-mat.str-el2022★ 6 cited

Spin ice in a general applied magnetic field: Kasteleyn transition, magnetic torque and rotational magnetocaloric effect

Mark Potts, Owen Benton

Spin ice is a paradigmatic frustrated system famous for the emergence of magnetic monopoles and a large magnetic entropy at low temperatures. It exhibits unusual behavior in the pr…

cond-mat.str-el2022★ 12 cited

Dynamical scaling as a signature of multiple phase competition in YbTiO

Allen Scheie, Owen Benton, Mathieu Taillefumier +5

is a celebrated example of a pyrochlore magnet with highly-frustrated, anisotropic exchange interactions. To date, attention has largely focused on its unusual, s…

cond-mat.str-el2021★ 70 cited

The case for a U(1) Quantum Spin Liquid Ground State in the Dipole-Octupole Pyrochlore CeZrO

E. M. Smith, O. Benton, D. R. Yahne +20

The Ce pseudospin- degrees of freedom in the pyrochlore magnet CeZrO are known to possess dipole-octupole (DO) character, making it a candidate for…

cond-mat.str-el2021★ 46 cited

Topological Route to New and Unusual Coulomb Spin Liquids

Owen Benton, Roderich Moessner

Coulomb spin liquids are topological magnetic states obeying an emergent Gauss' law. Little distinction has been made between different kinds of Coulomb liquids. Here we show how a…

cond-mat.str-el2021★ 7 cited

Exactly solvable spin-1/2 XYZ models with highly-degenerate, partially ordered, ground states

Grgur Palle, Owen Benton

Exactly solvable models play a special role in Condensed Matter physics, serving as secure theoretical starting points for investigation of new phenomena. Changlani et al. [Phys. R…

cond-mat.str-el2020★ 19 cited

Hierarchy of energy scales and field-tunable order by disorder in dipolar-octupolar pyrochlores

Benedikt Placke, Roderich Moessner, Owen Benton

Dipolar-octupolar pyrochlore magnets in a strong external magnet field applied in the [110] direction are known to form a `chain' state, with subextensive degeneracy. Magnetic mome…

cond-mat.str-el2020★ 11 cited

Ordered ground states of kagome magnets with generic exchange anisotropy

Owen Benton

There is a growing family of rare-earth kagome materials with dominant nearest-neighbor interactions and strong spin orbit coupling. The low symmetry of these materials makes theor…

cond-mat.str-el2020★ 37 cited

Ground state phase diagram of dipolar-octupolar pyrochlores

Owen Benton

The dipolar-octupolar pyrochlore oxides RMO (R=Ce, Sm, Nd) represent an important opportunity in the search for three dimensional Quantum Spin Liquid (QSL) ground state…

cond-mat.mtrl-sci2019★ 33 cited

Order out of a Coulomb phase and Higgs transtion: frustrated transverse interactions of Nd2Zr2O7

J. Xu, Owen Benton, A. T. M. N. Islam +3

The pyrochlore material NdZrO with an "all-in-all-out" (AIAO) magnetic order shows novel quantum moment fragmentation with gapped flat dynamical spin ice modes. The par…

cond-mat.mtrl-sci2019★ 23 cited

Anisotropic exchange Hamiltonian, magnetic phase diagram and domain inversion of NdZrO

J. Xu, Owen Benton, V. K. Anand +8

We present thermodynamic and neutron scattering measurements on the quantum spin ice candidate NdZrO. The parameterization of the anisotropic exchange Hamiltonian is re…

cond-mat.str-el2019★ 81 cited

Rank-2 spin liquid on the breathing pyrochlore lattice

Han Yan, Owen Benton, Ludovic D. C. Jaubert +1

Higher-rank generalisations of electrodynamics have recently attracted considerable attention because of their ability to host "fracton" excitations, with connections to both quant…

cond-mat.str-el2018★ 49 cited

Quantum spin ice with frustrated transverse exchange: from pi-flux phase to nematic quantum spin liquid

Owen Benton, L. D. C. Jaubert, Rajiv Singh +2

Quantum spin ice materials, pyrochlore magnets with competing Ising and transverse exchange interactions, have been widely discussed as candidates for a quantum spin-liquid ground…

cond-mat.str-el2017★ 37 cited

Generic nearest-neighbour kagome model: XYZ & Dzyaloshinskii-Moriya, and comparison to pyrochlore

Karim Essafi, Owen Benton, L. D. C. Jaubert

The kagome lattice is a paragon of geometrical frustration, long-studied for its association with novel ground-states including spin liquids (SLs). Many recently synthesized kagome…

cond-mat.str-el2017★ 39 cited

Instabilities of a U(1) quantum spin liquid in disordered non-Kramers pyrochlores

Owen Benton

Quantum spin liquids (QSLs) are exotic phases of matter exhibiting long-range entanglement and supporting emergent gauge fields. A vigorous search for experimental realizations of…

cond-mat.str-el2017★ 66 cited

Competing spin liquids and hidden nematic order in spin ice with frustrated transverse exchange

Mathieu Taillefumier, Owen Benton, Han Yan +2

Frustration in magnetic interactions can give rise to disordered ground states with subtle and beautiful properties. The spin ices Ho2Ti2O7 and Dy2Ti2O7 exemplify this phenomenon,…

cond-mat.str-el2016★ 65 cited

The quantum origins of moment fragmentation in Nd2Zr2O7

Owen Benton

Spin-liquid states are often described as the antithesis of magnetic order. Recently, however, it has been proposed that in certain frustrated magnets the magnetic degrees of freed…