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Phys Rev Lett. 2000 Jul 24;85(4):828-31.

Temperature dependent scattering rates at the fermi surface of optimally doped Bi(2)Sr(2)CaCu(2)O(8+delta)

Author information

1
Department of Physics, Brookhaven National Laboratory, Upton, New York 11973-5000, USA.

Abstract

For optimally doped Bi(2)Sr(2)CaCu(2)O(8+delta), scattering rates in the normal state are found to have a linear temperature dependence over most of the Fermi surface. In the immediate vicinity of the (pi, 0) point, the scattering rates are nearly constant in the normal state, consistent with models in which scattering at this point determines the c-axis transport. In the superconducting state, the scattering rates away from the nodal direction appear to level off and become temperature independent.

PMID:
10991409
DOI:
10.1103/PhysRevLett.85.828

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