Recent progress on emergent quantum electrodynamics in dipolar-octupolar quantum spin ice

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• Yong Baek Kim, University of Toronto
• Thursday 10 October 2024, 14:00-15:30
• TCM Seminar Room.

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

The unambiguous experimental confirmation of a quantum spin liquid remains a longstanding issue in modern condensed matter physics. In particular, significant efforts have been made to realize quantum spin ice, a three-dimensional quantum spin liquid that provides a lattice realization of quantum electrodynamics and hosts emergent photons as well as gapped spinon excitations. Recent experiments on Ce-based dipolar-octupolar pyrochlore systems, Ce2Zr2O7 and Ce2Sn2O7, suggest that these materials may host the so-called π-flux quantum spin ice. We will first discuss the theoretical background for quantum spin ice and present our recent theoretical results on the dipolar-octupolar quantum spin ice states. Then we will compare our theoretical predictions on dynamical properties of spinons and emergent photons with recent experimental results.

This talk is part of the Theory of Condensed Matter series.

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