Examples of conventional and unconventional Tdependences of the resistivity

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Examples of conventional and unconventional
T-dependences of the resistivity
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conventional
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e-e
contribution to The resistivity
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Linear T-dependence in cuprates
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Left Anomalous linear-in-T behavior of the
resistivity. Right exponent of the T-scaling.
Heavy-fermion compound
J. Custers, PhD thesis 2004 TU Dresden
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But
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P. Allen Nature, 412, 494 (2001) argues that
this linear-in-T dependence can be well explained
by phonons.