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What is the exact definition of a Spin density wave? Is it basically a modulation of the spins per volume along a certain direction in the crystal? If this is the case, does the density of the spins correspond to a equal change of the charge density? Thanks for any clarification! --184.108.40.206 (talk) 13:36, 8 September 2009 (UTC)
Sorry to answer so late, but no the two are not equivalent or identical as the article wrongly suggests. Yes the two are similar phenomena but not every CDW is always a spin density wave. You may very well have a CDW together with magnetic properties resembling Pauli paramagnetism. Perhaps the title of this article should be "density wave" and there should be two headings for charge and spin DW's. Alternatively there should simply be two pages.