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Unusual switch from low-temperature T-quadratic resistivity in the underdoped pseudogap phase of cuprate superconductors to low-temperature T-linear resistivity in the overdoped strange-metal phase
The transport experiments demonstrate a dramatic switch from the low-temperature T-linear resistivity in the overdoped strange-metal phase to the T-quadratic resistivity in the underdoped pseudogap phase of cuprate superconductors, however, a consensus on the origin of this switch is still lacking. Here the low-temperature resistivity in the underdoped pseudogap phase …