Photoenhanced excitonic correlations in a Mott insulator with nonlocal interactions

Physical Review B, 2020.

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Abstract:

We investigate the effect of nonlocal interactions on the photo-doped Mott insulating state of the two-dimensional Hubbard model using a nonequilibrium generalization of the dynamical cluster approximation. In particular, we compare the situation where the excitonic states are lying within the continuum of doublon-holon excitations to a...More

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