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Wannier representation of Floquet topological states
Masaya Nakagawa, Robert-Jan Slager, Sho Higashikawa +1
A universal feature of topological insulators is that they cannot be adiabatically connected to an atomic limit, where individual lattice sites are completely decoupled. This prope…
Floquet chiral magnetic effect
Sho Higashikawa, Masaya Nakagawa, Masahito Ueda
A single Weyl fermion, which is prohibited in static lattice systems by the Nielsen-Ninomiya theorem, is shown to be realized in a periodically driven three-dimensional lattice sys…
Topological phases of non-Hermitian systems
Zongping Gong, Yuto Ashida, Kohei Kawabata +3
Recent experimental advances in controlling dissipation have brought about unprecedented flexibility in engineering non-Hermitian Hamiltonians in open classical and quantum systems…