Experimental realization of plaquette resonating valence bond states with ultracold atoms in optical superlattices

Details Experimental realization of plaquette resonating valence bond states with ultracold atoms in optical superlattices Experimental realization of plaquette resonating valence bond states with ultracold atoms in optical superlattices

2012-02-28

arxiv.org/abs/1202.6361v1

Physics

Condensed Matter

Quantum Gases

7 page, 4 figures in main text, 3 figures in appendix

Scientific paper

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 we show direct experimental evidence of a time-resolved valence bond quantum resonance with ultracold bosonic atoms in an optical lattice. By means of a superlattice structure we create a three-dimensional array of independent four-site plaquettes, which we can fully control and manipulate in parallel. Moreover, we show how small-scale plaquette resonating valence bond states with s- and d-wave symmetry can be created and characterized. We anticipate our findings to open the path towards the creation and analysis of many-body RVB states in ultracold atomic gases.

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