Fluctuating Spin Density Waves in Metals

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Fluctuating Spin Density Waves in Metals

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Title: Fluctuating Spin Density Waves in Metals
Author: Metlitski, Max; Qi, Yang; Xu, Cenke; Sachdev, Subir

Note: Order does not necessarily reflect citation order of authors.

Citation: Sachdev, Subir, Max A. Metlitski, Yang Qi, and Cenke Xu. 2009. Fluctuating spin density waves in metals. Physical Review B 80(15): 155129.
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Abstract: Recent work has used a U(1) gauge theory to describe the physics of Fermi pockets in the presence of fluctuating spin density wave order. We generalize this theory to an arbitrary band structure and ordering wavevector. The transition to the large Fermi surface state, without pockets induced by local spin density wave order, is described by embedding the U(1) gauge theory in a SU(2) gauge theory. The phase diagram of the SU(2) gauge theory shows that the onset of spin density wave order in the Fermi liquid occurs either directly, in the framework discussed by Hertz, or via intermediate non-Fermi liquid phases with Fermi surfaces of fractionalized excitations. We discuss application of our results to the phase diagram of the cuprates.
Published Version: doi:10.1103/PhysRevB.80.155129
Other Sources: http://arxiv.org/abs/0907.3732v2
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:7617148

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