Instabilities Near the Onset of Spin Density Wave Order in Metals

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Instabilities Near the Onset of Spin Density Wave Order in Metals

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Title: Instabilities Near the Onset of Spin Density Wave Order in Metals
Author: Metlitski, Max A.; Sachdev, Subir

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

Citation: Metlitski, Max, and Subir Sachdev. 2010. Instabilities near the onset of spin density wave order in metals. New Journal of Physics 12(10): 105007.
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Abstract: We discuss the low energy theory of two-dimensional metals near the onset of spin density wave order. It is well known that such a metal has a superconducting instability induced by the formation of spin-singlet pairs of electrons, with the pairing amplitude changing sign between regions of the Fermi surface connected by the spin density wave ordering wavevector. Here we review recent arguments that there is an additional instability which is nearly as strong: towards the onset of a modulated bond order which is locally an Ising-nematic order. This new instability is a consequence of an emergent "pseudospin" symmetry of the low energy theory---the symmetry maps the sign-changing pairing amplitude to the bond order parameter.
Published Version: doi:10.1088/1367-2630/12/10/105007
Other Sources: http://arxiv.org/abs/1007.1968v3
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:7956032
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