Spin glasses : experimental signatures and salient outcomes

Abstract

Within the wide class of disordered materials, spin glasses occupy a special place because of their conceptually simple definition of randomly interacting spins. Their modelling has triggered spectacular developments of out-of-equilibrium statistical physics, as well analytically as numerically, opening the way to a new vision of glasses in general. "Real" spin glasses are disordered magnetic materials which can be very diverse from the chemist's point of view, but all share a number of common properties, laying down the definition of generic spin glass behaviour. This paper aims at giving to non-specialist readers an idea of what spin glasses are from an experimentalist's point of view, describing as simply as possible their main features as they can be observed in the laboratory, referring to numerous detailed publications for more substantial discussions and for all theoretical developments, which are hardly sketched here. We strived to provide the readers who are interested in other glassy materials with some clues about the potential of spin glasses for improving their understanding of disordered matter. At least, arousing their curiosity for this fascinating subject will be considered a success.

References in corpus (6)

• Theoretical perspective on the glass transition and amorphous materials
• Supercooled Liquids for Pedestrians
• Matching microscopic and macroscopic responses in glasses
• Measuring overlaps in mesoscopic spin glasses via conductance fluctuations
• Dynamic scaling analysis of the long-range RKKY Ising spin glass Dy${}_x$Y${}_{1-x}$Ru${}_2$Si${}_2$
• The effect of cooling rate on aging in spin glasses

Cited by in corpus (5)

• What can spin glass theory and analogies tell us about ferroic glasses?
• Collective topological spin dynamics in a correlated spin glass
• Fluctuation guided search in quantum annealing
• Structure and magnetic studies of geometrically frustrated disordered pyrochlores A${}_2$Zr${}_2$O${}_7$: (A = Eu, Gd, Er)
• A near-term quantum simulation of the transverse field Ising model hints at Glassy Dynamics