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The work in the laboratory concentrates on basic research of those
aspects of
low-temperature transport which are influenced by electron correlations.
These include
- electron scattering,
- metal-insulator and superconductor-insulator transitions
in metastable alloys and in metal oxides,
- superconductivity of high-Tc, organic superconductors and superconductors with many bands.
Wide spectrum of transport mechanisms is under consideration, from
Drude conductivity and Josepson tunneling to hopping. Mainly bulk materials
are studied though some aspects of electron scattering in heterostructures
are also investigated. The main properties measured experimentally are
dc resistance, magnetoresistance, microwave impendance, nonlinear microwave
response and ac-susceptibility.
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