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Interaction induced itinerancy and bulk-edge correspondence
Bosonic particle pair of the Creutz ladder become itinerant due to particle-particle interaction although its […]
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Thouless pump and SPT’s phase boundary
Thouless’ (adiabatic) pump in one-dimension is a typical topological phenomena characterized by the Cher […]
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Editors’ choice and News & Comm. of JPSJ: Type III Dirac cones…
The Dirac cone is a typical singular energy dispersion in two dimensions that is a source of various non-trivi […]
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Square-root higher order topological insulator (SR-HOTI)
Motivated by a historical example, the Dirac Hamiltonian as a square-root of the Klein-Gordon Hamiltonian, its […]