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Direct Measurement of the Zak phase in Topological Bloch Bands
Marcos Atala, Monika Aidelsburger, Julio T. Barreiro +4
Geometric phases that characterize the topological properties of Bloch bands play a fundamental role in the modern band theory of solids. Here we report on the direct measurement o…
Experimental realization of strong effective magnetic fields in optical superlattice potentials
Monika Aidelsburger, Marcos Atala, Sylvain Nascimbène +3
We present the experimental generation of large effective magnetic fields for ultracold atoms using photon-assisted tunneling in an optical superlattice. The underlying method does…
Experimental realization of plaquette resonating valence bond states with ultracold atoms in optical superlattices
Sylvain Nascimbène, Yu-Ao Chen, Macros Atala +4
The concept of valence bond resonance plays a fundamental role in the theory of the chemical bond and is believed to lie at the heart of many-body quantum physical phenomena. Here…