Abstract:Nontrivial topology in lattices is characterized by invariants-such as the Zak phase for onedimensional (1D) lattices-derived from wave functions covering the Brillouin zone. We realized the 1D bipartite Rice-Mele (RM) lattice using ultracold 87 Rb and focus on lattice configurations possessing various combinations of chiral, time-reversal and particle-hole symmetries. We quenched between configurations and used a form of quantum state tomography, enabled by diabatically tuning lattice parameters, to directly … Show more
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