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Single-ion anisotropy and magnetic field response in spin ice materials HoTiO and DyTiO
Bruno Tomasello, Claudio Castelnovo, Roderich Moessner +1
Motivated by its role as a central pillar of current theories of dynamics of spin ice in and out of equilibrium, we study the single-ion dynamics of the magnetic rare earth ions in…
Emergent Coulombic criticality and Kibble-Zurek scaling in a topological magnet
James Hamp, Anushya Chandran, Roderich Moessner +1
When a classical system is driven through a continuous phase transition, its nonequilibrium response is universal and exhibits Kibble-Zurek scaling. We explore this dynamical scali…
Driven impurity in an ultracold 1D Bose gas with intermediate interaction strength
Claudio Castelnovo, Jean-Sébastien Caux, Steven H. Simon
We study a single impurity driven by a constant force through a 1D Bose gas using a Lieb-Liniger based approach. Our calculaton is exact in the interaction amongst the particles in…
The monopole movement
Claudio Castelnovo
The monopole picture for spin ice offers a natural description for a confounding class of materials. A paper published in Nature Physics in 2009 applied it to study the dynamical p…
Vacancy defects and monopole dynamics in oxygen-deficient pyrochlores
G. Sala, M. J. Gutmann, D. Prabhakaran +6
The idea of magnetic monopoles in spin ice has enjoyed much success at intermediate temperatures, but at low temperatures a description in terms of monopole dynamics alone is insuf…
Probing the braneworld hypothesis with a neutron-shining-through-a-wall experiment
Michael Sarrazin, Guillaume Pignol, Jacob Lamblin +3
The possibility for our visible world to be a 3-brane embedded in a multidimensional bulk is at the heart of many theoretical edifices in high-energy physics. Probing the braneworl…