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- W2095772214 abstract "A model of $CuO_2$ planes weakly doped with partially delocalised holes is considered. The effect of such a hole on the background AFM spin texture can be represented by a purely magnetic Hamiltonian $H = - sum_{(ijk)} (vec S_i cdot vec S_j times vec S_k)^2$, where the summation is over the four triangles of a single plaquette. We show that this model of randomly distributed chiral spin defects leads to an in--plane spin correlation length approximately described by $xi^{-1} (x,T) = xi^{-1} (0,T) + xi^{-1} (x,0)$, consistent with neutron scattering experiments on $La_{2-x}Sr_xCuO_4$. Further, this model leads to favourable comparisons with $B_{1g}$ Raman scattering results for the same cuprate system." @default.
- W2095772214 created "2016-06-24" @default.
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- W2095772214 date "1992-09-08" @default.
- W2095772214 modified "2023-09-27" @default.
- W2095772214 title "Spin texture in weakly doped $Cu0_2$ planes explaining magnetic correlation length and Raman scattering experiments" @default.
- W2095772214 hasPublicationYear "1992" @default.
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