# Charge-density-wave order with momentum ( 2 Q , 0 ) and ( 0 , 2 Q ) within the spin-fermion model : Continuous and discrete symmetry breaking , preemptive composite order , and relation to pseudogap in hole-doped cuprates

@inproceedings{Wang2014ChargedensitywaveOW, title={Charge-density-wave order with momentum ( 2 Q , 0 ) and ( 0 , 2 Q ) within the spin-fermion model : Continuous and discrete symmetry breaking , preemptive composite order , and relation to pseudogap in hole-doped cuprates}, author={Yuxuan Wang and Andrey V. Chubukov}, year={2014} }

- Published 2014

We analyze charge order in hole-doped cuprates within the the spin-fermion model. We show that a magnetically mediated interaction, which is known to give rise to d-wave superconductivity and charge order with momentum along zone diagonal, also gives rise to charge order with momenta Qx = (2Q,0) and Qy = (0,2Q) consistent with the experiments. We show that an instability towards Qk = 〈c k+Qck−Q〉 with Q = Qx or Qy is a threshold phenomenon, but the dimensionless spin-fermion coupling is above… CONTINUE READING

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