Journal
PHYSICAL REVIEW LETTERS
Volume 106, Issue 21, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.106.217201
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Funding
- DFG [SFB/TR 49, SFB 602, HO 2325/4-2, PR 298/10, RI 615/16-1]
- Helmholtz Association [HA216/EMMI]
- National Natural Science Foundation of China (NSFC)
- JSPS
- Humboldt Foundation
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The natural mineral azurite Cu-3(CO3)(2)(OH)(2) is a frustrated magnet displaying unusual and controversially discussed magnetic behavior. Motivated by the lack of a unified description for this system, we perform a theoretical study based on density functional theory as well as state-of-the-art numerical many-body calculations. We propose an effective generalized spin-1/2 diamond chain model which provides a consistent description of experiments: low-temperature magnetization, inelastic neutron scattering, nuclear magnetic resonance measurements, magnetic susceptibility as well as new specific heat measurements. With this study we demonstrate that the balanced combination of first principles with powerful many-body methods successfully describes the behavior of this frustrated material.
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