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Spin Configurations in the Rectangular Lattice

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DOI: 10.4236/wjcmp.2013.34030    2,487 Downloads   4,299 Views   Citations

ABSTRACT

Using matrix method, the possible spin configurations have been determined for four sublattices in rectangular lattice taking into account only nearest-neighbor exchange interactions. We obtain collinear and non-collinear spin configurations in the ground and the first excited states for the three different propagation vectors. When k = 0, depending on the sign of exchange parameters, we find a ferromagnetic mode and three antiferromagnetic modes. When k = [1, 1] and [1.5, 1.5], we find non-collinear (canted) spin configurations. Moreover, we observe that spins of some sublattices in the excited state change their orientations.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Mert, G. and Mert, H. (2013) Spin Configurations in the Rectangular Lattice. World Journal of Condensed Matter Physics, 3, 184-188. doi: 10.4236/wjcmp.2013.34030.

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