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Topological edge states in the Su-Schrieffer-Heeger model subject to balanced particle gain and loss

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 نشر من قبل Holger Cartarius
 تاريخ النشر 2018
  مجال البحث فيزياء
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We investigate the Su-Schrieffer-Heeger model in presence of an injection and removal of particles, introduced via a master equation in Lindblad form. It is shown that the dynamics of the density matrix follows the predictions of calculations in which the gain and loss are modeled by complex $mathcal{PT}$-symmetric potentials. In particular it is found that there is a clear distinction in the dynamics between the topologically different cases known from the stationary eigenstates.



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