Journal
PHYSICAL REVIEW B
Volume 88, Issue 14, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.88.144416
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Funding
- DFG Grant [HO 2325/9-1, RI 615/21-1]
- FWF [I1310-N27]
- Austrian Science Fund (FWF) [I 1310] Funding Source: researchfish
- Austrian Science Fund (FWF) [I1310] Funding Source: Austrian Science Fund (FWF)
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We clarify the existence of several magnetization plateaus for the kagome S = 1/2 antiferromagnetic Heisenberg model in a magnetic field. Using approximate or exact localized magnon eigenstates, we are able to describe in a similar manner the plateau states that occur for magnetization per site m = 1/3, 5/9, and 7/9 of the saturation value. These results are confirmed using large-scale exact diagonalization on lattices up to 63 sites.
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