New Observations Give Stripes Theory a Lift

Science  15 Mar 2002:
Vol. 295, Issue 5562, pp. 1992-1993
DOI: 10.1126/science.295.5562.1992

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The "stripes" theory of high-temperature superconductivity states that current flows without resistance along lines of electric charge inside copper-and-oxygen-based superconductors. Such charge stripes had been spotted in only one superconducting material until two groups reported this month seeing them in two other superconductors, and a third group offered evidence that stripes do indeed conduct electricity.