University of Cambridge > > Theoretical Physics Colloquium > Emergent Coulombic criticality and Kibble-Zurek scaling in a topological magnet

Emergent Coulombic criticality and Kibble-Zurek scaling in a topological magnet

Add to your list(s) Download to your calendar using vCal

If you have a question about this talk, please contact Mike Blake.

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 scaling in the context of a three-dimensional topological magnet with fractionalized excitations, namely, the liquid-gas transition of the emergent mobile magnetic monopoles in dipolar spin ice. Using field-mixing and finite-size scaling techniques, we place the critical point of the liquid-gas line in the three-dimensional Ising universality class. We then demonstrate Kibble-Zurek scaling for sweeps of the magnetic field through the critical point. Unusually slow microscopic time scales in spin ice offer a unique opportunity to detect this universal nonequilibrium physics within current experimental capability.

This talk is part of the Theoretical Physics Colloquium series.

Tell a friend about this talk:

This talk is included in these lists:

Note that ex-directory lists are not shown.


© 2006-2024, University of Cambridge. Contact Us | Help and Documentation | Privacy and Publicity