Abstract:Recent experiments have examined the impact of a magnetic field on ferroquadrupolar orders in the intermetallic Kondo material PrTi 2 Al 20. Motivated by this, we use extensive Monte Carlo simulations to study a diamond lattice XY model of non-Kramers pseudospin-1/2 Pr 3+ moments which crucially incorporates three-spin interactions. This model supports a thermal Z 3 Potts ordering transition upon cooling from the paramagnetic phase into the ferroquadrupolar phase. An applied magnetic field along the [110] dire… Show more
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