Conduction of heat in a material via heat currents is a phenomenon analogous to charge transport via electrical currents. Thermoelectric phenomena arise from the entanglement of thermal and electrical transport processes due to (1) heat transport by charge carriers and (2) scattering processes between charge carriers and other heat-carrying quasiparticles, e.g. phonons. By studying the thermal conductivity κ
, the thermopower S
and the Nernst coefficient N
at low temperatures and magnetic fields, we gain valuable information on charge and heat carriers and low energy excitations.