Abstract
Using an optical potential with subwavelength resolution in the form of sharp $\delta$-like peaks, new potential landscapes are created with increased anharmonicity in placement of lattice band energies and more favorable energy scales. In particular, this makes the ultracold atom p-band gas more stable. The article outlines the details of the construction and discusses the p-band stability in canonical cosine optical lattice potential, double well potential, and a combination of a classical cosine potential with dark state peaked potential.
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