| http://www.w3.org/ns/prov#value | - The work is a followup to the researchers' previous discovery of a broken symmetry in cuprate bonds reported in the July 15, 2010, issue of Nature.Under certain conditions, observations with a highly sensitive scanning tunneling microscope (STM) show an anomaly in the distribution of energy levels of the electrons bonding copper and oxygen atoms in a cuprate crystal.
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