Experimental observables near a nematic quantum critical point in the pnictide and cuprate superconductors

Cenke Xu; Yang Qi; Subir Sachdev

doi:10.1103/PhysRevB.78.134507

Experimental observables near a nematic quantum critical point in the pnictide and cuprate superconductors

Strongly Correlated Electrons 2009-11-13 v2

Authors: Cenke Xu , Yang Qi , Subir Sachdev

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Abstract

The newly discovered high temperature superconductor SmFeAs(O1-xFx) shows a clear nematic transition where the square lattice of Fe ions has a rectangular distortion. Similar nematic ordering has also been observed in the cuprate superconductors. We provide a detailed theory of experimental observables near such a nematic transition: we calculate the scaling of specific heat, local density of states (LDOS) and NMR relaxation rate 1/T_1T.

Keywords

nematic quantum critical point pnictide superconductors cuprate superconductors specific heat scaling local density of states NMR relaxation rate

Cite

@article{arxiv.0807.1542,
  title  = {Experimental observables near a nematic quantum critical point in the pnictide and cuprate superconductors},
  author = {Cenke Xu and Yang Qi and Subir Sachdev},
  journal= {arXiv preprint arXiv:0807.1542},
  year   = {2009}
}

Comments

7 pages, 7 figures

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