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    • Keywords


      SSH, topology, condensed matter physics, open and periodic chain.

    • Abstract


      Geared as an invitation for undergraduates, beginning graduatestudents, we present a pedagogical introduction to one dimen-sional topological phases – in particular the Su-Schrieffer-Heeger model. In the process, we delve upon ideas ofentangleme using the correlatormethod and the von-Neumanndensity-matrix method, geometric phase, polarization, transportsignatures and the role of electron-electron interactions.Thro- ugh hands-on numerical experiments, whose codes areshared, we try to drive home the message why a program ofsimulating quantum electronics with topological toy modelsis the storehouse for discovering fantastic physics ideas.

    • Author Affiliations

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© 2022-2023 Indian Academy of Sciences, Bengaluru.