You are currently viewing the abstract.
View Full TextLog in to view the full text
AAAS login provides access to Science for AAAS members, and access to other journals in the Science family to users who have purchased individual subscriptions.
Register for free to read this article
As a service to the community, this article is available for free. Existing users log in.
More options
Download and print this article for your personal scholarly, research, and educational use.
Buy a single issue of Science for just $15 USD.
Abstract
Angle-resolved photoemission data from the cuprate superconductor Bi2Sr2CaCu2O8+δ above and below the superconducting transition temperatureT c reveal momentum-dependent changes that extend up to an energy of about 0.3 electron volt, or 40kT c (where k is the Boltzmann constant). The data suggest an anomalous transfer of spectral weight from one momentum to another, involving a sizable momentum transferQ ∼ (0.45π, 0). The observed Q is intriguingly near the charge-order periodicity required if fluctuating charge stripes are present.
