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      Adiabatic pumping in the quasi-one-dimensional triangle lattice

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          Abstract

          We analyze the properties of the quasi-one-dimensional triangle lattice emphasizing the occurrence of flat bands and band touching via the tuning of the lattice hopping parameters and on-site energies. The spectral properties of the infinite system will be compared with the transmission through a finite piece of the lattice with attached semi-infinite leads. Furthermore, we investigate the adiabatic pumping properties of such a system: depending on the transmission through the lattice, this results in nonzero integer charge transfers or transfers that increase linearly with the lattice size.

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          Author and article information

          Journal
          2012-08-30
          2013-01-20
          Article
          10.1103/PhysRevB.87.024301
          1208.6113

          http://arxiv.org/licenses/nonexclusive-distrib/1.0/

          Custom metadata
          Physical Review B 87, 024301 (2013)
          cond-mat.mes-hall

          Nanophysics

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