| Do
superconducting currents choose stripes?
Stripe patterns in
the magnetic and electronic features of high-temperature superconductors
appear to affect charge motion in the materials, but whether they
actually cause superconductivity is still very much in dispute.
References:
Ando, Y., A.N.
Lavrov, and K. Segawa. 1999. Magnetoresistance anomalies in
antiferromagnetic Yba2Cu3O6+x:
Fingerprints of charged stripes. Physical Review Letters
83(Oct. 4):2813.
Noda, T., H.
Eisaki, and S.-I. Uchida. 1999. Evidence for one-dimensional charge
transport in La2-x-yNdySrxCuO4.
Science 286(Oct. 8):265.
Zhou, X.J. . . .
S. Uchida, and Z.-X. Shen. 1999. One-dimensional electronic structure
and suppression of d-wave node state in (La1.28Nd0.6Sr0.12)CuO4.
Science 286(Oct. 8):268.
Further Readings:
Lipkin, R. 1995. A
superconducting tape . . . Science News 147(April 29):269.
Peterson, I. 1997.
Pinning down a
superconductivity theory. Science News 151(June 7):351.
______. 1996.
Tackling the puzzle of high-temperature superconductivity. Science
News 149(March 9):156.
______. 1995.
Probing superconductor electron pairs. Science News 147(Feb.
11):88.
Weiss, P. 1998.
Putting the squeeze in superconductors. Science News 154(Aug.
15):111.
Sources:
Philip W.
Anderson
Princeton University
Department of Physics
339 Jadwin Hall
Princeton, NJ 08544
Yoichi Ando
Central Research Institute of Electric Power Industry
2-11-1 Iwato-kita
Komae, Tokyo 201-8511
Japan
Steven A.
Kivelson
University of California, Los Angeles
Department of Physics and Astronomy
405 Hilgard Avenue
Knudsen Hall 6-130L
Los Angeles, CA 90095
Zhi-xun Shen
Stanford University
Laboratory for Advanced Materials
McCullough Building 357B
476 Lomita Mall
Stanford, CA 94305-4045
Shin-ichi Uchida
University of Tokyo
Department of Superconductivity
Tokyo 113-8656
Japan
Xingjiang Zhou
Stanford University
Department of Physics
Applied Physics and Stanford Synchrotron Radiation Laboratory
Stanford, CA 94305
From Science
News, Vol. 156, No. 15, October 9, 1999, p. 229. Copyright © 1999,
Science Service. |