Cs $62D_J$ Rydberg-atom macrodimers formed by long-range multipole interaction
ORAL
Abstract
We report on long-range macrodimers formed by $D$-state cesium Rydberg atoms. Cesium $[62D_{J}]_2$ Rydberg-atom macrodimers, bonded via long-range multipole interaction, are prepared by two-color photo-association in a cesium atom trap. The first color (pulse A) resonantly excites seed Rydberg atoms, while the second (pulse B, detuned by the molecular binding energy) resonantly excites the Rydberg-atom macrodimers below the $[62D_{J}]_2$ asymptotes. The molecules are measured by extraction of auto-ionization products and Rydberg-atom electric-field ionization, and ion detection. Molecular spectra are compared with calculations of adiabatic molecular potentials. Initial lifetime estimates are presented.
*Supported by the National Key R$\&$D Program of China, Grant No. 2017YFA0304203, NNSF Grants No. 61475090, 61675123 and 61775124, NSF Grant No. PHY-1506093, and BAIREN plan of Shanxi.
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