Coexistence of a double-Q spin-density wave and a multi-Q pair-density wave in cuprate oxide superconductors
Fusayoshi J. Ohkawa
DOI 10.1103/PhysRevB.73.092506 · Physical Review B
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Abstract
We propose that the coexistence of a double-Q spin density wave (SDW), which is responsible for the so-called checker boards, and a multi-Q pair density wave of dγ-wave Cooper pairs, which is induced by the folding of the Brillouin zone due to SDW, is responsible for the so-called zero-temperature pseudogaps. Disorder must play a crucial role in the stabilization of SDW.
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