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In this work, pumped currents of the adiabatically-driven double-barrierstructure based on the pseudospin-1 Dirac-Weyl fermions are studied. As aresult of the three-band dispersion and hence the unique properties ofpseudospin-1 Dirac-Weyl quasiparticles, sharp current-direction reversal isfound at certain parameter settings especially at the Dirac point of the bandstructure, where apexes of the two cones touches at the flat band. Such abehavior can be interpreted consistently by the Berry phase of the scatteringmatrix and the classical turnstile mechanism.

Quantum pumping with adiabatically modulated barriers in three-band pseudospin-1 Dirac-Weyl systems