Logarithmic divergence of normal state resistivity of bipolaronic high-Tc cuprates
Abstract
The resonance Wigner scattering of charged bosons (small bipolarons) in a random potential leads to logarithmically divergent low-temperature resistivity as observed in several cuprates. Unusual temperature dependence of resistivity of La2-xSrxCuO4 as well as of the Hall effect is quantitatively described in a wide temperature range providing an evidence for 2e charged Bose-liquid in high-Tc cuprates.
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