Direct measurement of the spin Hamiltonian and observation of condensation of magnons in the 2D frustrated quantum magnet Cs2CuCl4.
We propose a method for measuring spin Hamiltonians and apply it to the spin- 1/2 Heisenberg antiferromagnet Cs2CuCl4, which shows a 2D fractionalized resonating valence bond state at low fields. By applying strong fields we fully align the spin moment of Cs2CuCl4, transforming it into an effective...
Asıl Yazarlar: | Coldea, R, Tennant, D, Habicht, K, Smeibidl, P, Wolters, C, Tylczynski, Z |
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Materyal Türü: | Journal article |
Dil: | English |
Baskı/Yayın Bilgisi: |
2002
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