Controllable quantum spin glasses with magnetic impurities embedded in quantum solids
arXiv:1307.1130 · doi:10.1103/PhysRevB.88.014426
Abstract
Magnetic impurities embedded in inert solids can exhibit long coherence times and interact with one another via their intrinsic anisotropic dipolar interaction. We argue that, as a consequence of these properties, disordered ensembles of magnetic impurities provide an effective platform for realizing a controllable, tunable version of the dipolar quantum spin glass seen in LiHoYF. Specifically, we propose and analyze a system composed of dysprosium atoms embedded in solid helium. We describe the phase diagram of the system and discuss the realizability and detectability of the quantum spin glass and antiglass phases.
8 pages, 3 figures, 1 table
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