AI Article Synopsis
- The study explores the emergence of charge-density-wave (CDW) and pair-density-wave (PDW) orders in underdoped cuprates using the spin-fermion model, indicating these orders arise from spin fluctuations before any magnetic order is established.
- The authors suggest that the most stable state combines both CDW and PDW components at the same momentum, which leads to the breaking of several symmetries, including rotational and time-reversal symmetry.
- The research connects the effects of CDW/PDW orders to changes in fermionic dispersion as observed in ARPES experiments, and presents predictions on how these orders interact with d_{x^{2}-y^{2}} superconductivity for future
Article Abstract
We analyze incommensurate charge-density-wave (CDW) and pair-density-wave (PDW) orders with transferred momenta (±Q,0)/(0,±Q) in underdoped cuprates within the spin-fermion model. Both orders appear due to an exchange of spin fluctuations before magnetic order develops. We argue that the ordered state with the lowest energy has nonzero CDW and PDW components with the same momentum. Such a state breaks C_{4} lattice rotational symmetry, time-reversal symmetry, and mirror symmetries. We argue that the feedback from CDW/PDW order on fermionic dispersion is consistent with ARPES data. We discuss the interplay between the CDW/PDW order and d_{x^{2}-y^{2}} superconductivity and make specific predictions for experiments.
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| http://dx.doi.org/10.1103/PhysRevLett.114.197001 | DOI Listing |
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