4.6 Article

p-band stability of an ultracold-atom gas in an anharmonic optical-lattice potential with large energy scales

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PHYSICAL REVIEW A
卷 103, 期 5, 页码 -

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AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.103.053301

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  1. National Science Centre Project [2016/23/D/ST2/00721]
  2. PL-Grid Infrastructure

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By using an optical potential with subwavelength resolution in the form of sharp delta-like peaks, this study increases the anharmonicity in lattice band energies and enhances the stability of ultracold atom p-band gas.
Using an optical potential with subwavelength resolution in the form of sharp delta-like peaks, 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 a 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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