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Dynamical Axions in Quantum Spin Liquids
Salvatore D. Pace, Claudio Castelnovo, Chris R. Laumann
Since their proposal nearly half a century ago, physicists have sought axions in both high energy and condensed matter settings. Despite intense and growing efforts, to date experi…
Anomalous magnetic noise in imperfect flat bands in the topological magnet Dy2Ti2O7
Anjana M. Samarakoon, S. A. Grigera, D. Alan Tennant +8
The spin ice compound Dy_2Ti_2O_7 stands out as the first topological magnet in three dimensions, with its tell-tale emergent fractionalized magnetic monopole excitations. Its real…
Enhanced diffusion in soft-walled channels with a periodically varying curvature
Thomas Gray, Claudio Castelnovo, Ee Hou Yong
In one-dimension, the diffusion of particles along a line is slowed by the addition of energy barriers. The same is true in two-dimensions, provided that the confining channel in w…
Structural magnetic glassiness in spin ice DyTiO
Anjana M. Samarakoon, Andre Sokolowski, Bastian Klemke +14
The spin ice compound DyTiO is well-known to realise a three-dimensional Coulomb spin liquid with magnetically charged monopole excitations. Its fate at low temperature…
Monopole density and antiferromagnetic domain control in spin-ice iridates
M. J. Pearce, K. Götze, A. Szabó +6
Frustration in magnetic systems is fertile ground for complex behaviour, including unconventional ground states with emergent symmetries, topological properties, and exotic excitat…