• NUMERICAL CALCULATION OF THE COMPLEX BERRY PHASE IN NONHERMITIAN SYSTEMS 

      Autor: Wagner , Marcel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      We numerically investigate topological phases of periodic lattice systems in tight-binding description under the influence of dissipation. The effects of dissipation are effectively described by PT-symmetric potentials. ...