Correlated Quantum Tunnelling of Monopoles in Spin Ice

Bruno Tomasello, Claudio Castelnovo, Roderich Moessner +1

The spin ice materials Ho${}_2$Ti${}_2$O${}_7$ and Dy${}_2$Ti${}_2$O${}_7$ are by now perhaps the best-studied classical frustrated magnets. A crucial step towards the understandin…