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  • Electrons are not enough: Cuprate superconductors defy convention

    Philip Phillips, a professor of physics and of chemistry at Illinois, and colleagues have found that something other than electrons carries the current in copper-containing superconductors known as cuprates.

    Philip Phillips, a professor of physics and of chemistry at Illinois, and colleagues have found that something other than electrons carries the current in copper-containing superconductors known as cuprates.

    U. of I. photo

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      Philip Phillips, a professor of physics and of chemistry at Illinois, and colleagues have found that something other than electrons carries the current in copper-containing superconductors known as cuprates.

      U. of I. photo

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      Graph showing the breakdown of Luttinger's theorem in the normal state of cuprate superconductors. The horizontal axis is the expected number of mobile electrons while the vertical axis is the measured number. The two should be equal if the theorem were true.

      Graphic by Philip Phillips

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