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Charge density wave and superconducting phases could be intimately related

By 23 avril 2019 juillet 6th, 2020 No Comments

Researchers led by Alain Sacuto from the Laboratoire Matériaux et Phénomènes Quantiques at the Université Paris Diderot-Paris 7 have measured the charge density wave (CDW) energy gap in various cuprates. The observations point to a key and hitherto difficult to measure property of the CDW state. They also help explain the relationship between competing CDW and superconducting phases, which arise from a coherent superposition of electron-hole and electron-electron (Cooper) pairs, respectively, in high-temperature superconductors. The work is reported in Nature Physics.

Reference: Intimate link between charge density wave, pseudogap and superconducting energy scales in cuprates, B. Loret et al., Nature Physics

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