Nodal Quasiparticles and the Onset of Spin-Density-Wave-Order in Cuprate Superconductors
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https://doi.org/10.1103/PhysRevLett.101.027005Metadata
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Pelissetto, Andrea, Subir Sachdev, and Ettore Vicari. 2008. Nodal quasiparticles and the onset of spin-density-wave order in the cuprates. Physical Review Letters 101(2): 027005.Abstract
We present a theory for the onset of spin-density-wave order in the superconducting ground state of the cuprates. We compute the scaling dimensions of allowed perturbations of a “relativistic” fixed point with O(4) \(\otimes\) O(3) symmetry, including those associated with the fermionic nodal Bogoliubov quasiparticles. Analyses of up to six loops show that all perturbations with square lattice symmetry are likely irrelevant. We demonstrate that the fermion spectral functions are primarily damped by the coupling to fluctuations of a composite field with Ising nematic order. A number of other experimental implications are also discussed.Other Sources
http://arxiv.org/abs/0802.0199v1Terms of Use
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