Quantum Phase Transitions of Metals in Two Spatial Dimensions: II. Spin density Wave Order

@article{Metlitski2010QuantumPT,
  title={Quantum Phase Transitions of Metals in Two Spatial Dimensions: II. Spin density Wave Order},
  author={Max A. Metlitski and Subir Sachdev},
  journal={Physical Review B},
  year={2010},
  volume={82},
  pages={075128}
}
We present a field-theoretic renormalization group analysis of Abanov and Chubukov’s model of the spin density wave transition in two dimensional metals. We identify the independent field scale and coupling constant renormalizations in a local field theory and argue that the damping constant of spin density wave fluctuations tracks the renormalization of the local couplings. The divergences at two-loop order overdetermine the renormalization constants and are shown to be consistent with our… 
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