Direct measurement of the spin Hamiltonian and observation of condensation of magnons in the 2D frustrated quantum magnet Cs2CuCl4.

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...

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Bibliografiske detaljer
Main Authors:	Coldea, R, Tennant, D, Habicht, K, Smeibidl, P, Wolters, C, Tylczynski, Z
Format:	Journal article
Sprog:	English
Udgivet:	2002

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