Pair-density-wave correlations in the Kondo-Heisenberg model |
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Authors: | Berg Erez Fradkin Eduardo Kivelson Steven A |
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Institution: | Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA. |
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Abstract: | We show, using density-matrix renormalization-group calculations complemented by field-theoretic arguments, that the spin-gapped phase of the one dimensional Kondo-Heisenberg model exhibits quasi-long-range superconducting correlations only at a nonzero momentum. The local correlations in this phase resemble those of the pair-density-wave state which was recently proposed to describe the phenomenology of the striped ordered high-temperature superconductor La(2-x)Ba(x)CuO?, in which the spin, charge, and superconducting orders are strongly intertwined. |
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