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Disorder driven superconductor-insulator transition: Do Cooper pairs still exist in the insulator?

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If you have a question about this talk, please contact Helen Verrechia.

I will discuss our theoretical and numerical results for the disorder-driven superconductor-insulator transition that predict the existence of a novel insulator of pairs. We find that the single particle gap and optical conductivity evolve in unexpected ways across the transition and are supported by recent scanning tunneling spectroscopy and THz conductivity experiments.

Reference: Karim Bouadim, Yen Lee Loh, Mohit Randeria and Nandini Trivedi, “Single- and two-particle energy gaps across the disorder-driven superconductor–insulator transition”, Nature Physics 7, 884-889 (2011) doi:10.1038/nphys2037

This talk is part of the Quantum Matter Seminar series.

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