``Cold spots'': a new model for transport in high $T_c$ cuprates

Details ``Cold spots'': a new model for transport in high $T_c$ cuprates ``Cold spots'': a new model for transport in high $T_c$ cuprates

1998-01-11

arxiv.org/abs/cond-mat/9801092v2

Physics

Condensed Matter

Superconductivity

7 pages, LaTex, 2 EPS figures, added references

Scientific paper

We present a Boltzmann equation analysis of the transport properties of a model of electrons with a lifetime which is short everywhere except near the Brillouin zone diagonals. The anomalous lifetime is directly implied by photoemission and c-axis transport data. We find quantitative agreement between calculations and ac and dc longitudinal and Hall resistivity, but the predicted longitudinal magnetoresistance disagrees with experiment. A possible microscopic origin of the anomalous lifetime is discussed

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