Adiabatic potentials of cesium $(n{D}_J{)}_2$ Rydberg-Rydberg macrodimers

Abstract

Electrostatic multipole interactions generate long-range Rydberg-Rydberg macrodimer. We calculate the adiabatic potentials of cesium $(n{D}_J{)}_2$ Rydberg macrodimers for principal quantum numbers $n$ ranging from 56 to 62, for $J=3/2$ and $5/2$, and for the allowed values of the conserved sum of the atomic angular-momentum components along the internuclear axis, $M$. For most combinations $(n,M,J)$ exactly one binding potential exists, which should give rise to Rydberg macrodimer states. We study the dependence of the adiabatic potentials on the size of the two-body basis sets used in the calculation, and on the maximal order, $q_{max}$, of the multipole terms included in the calculation. We determine the binding energies and lengths of the binding adiabatic potentials, and investigate their scaling behaviors as a function of the effective principal quantum number; these parameters are relevant to experimental preparation of Rydberg-atom macrodimers. Avoided crossings between adiabatic potentials affect the well shapes and the scaling behaviors differently in two distinct domains in $n$. We discuss an experimental scheme for preparing $(n{D}_J{)}_2$ Rydberg-atom macrodimers using two-color double-resonant photoassociation.

arXiv comment6 pages, 6 figures

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Cited by in corpus (7)

• Long-range Rydberg-atom-ion molecules of Rb and Cs
• High-angular-momentum Rydberg states in a room-temperature vapor cell for DC electric-field sensing
• Observation of many-body dynamics of Rydberg atoms based on antiblockade using two-color excitation
• Measurement of Rb g-series quantum defect using two-photon microwave spectroscopy
• Non-adiabatic decay of Rydberg-atom-ion molecules
• Quantum defects of $n$F${}_J$ levels of Cs Rydberg atoms
• Microwave photo-association of fine-structure-induced Rydberg $(n+2)D_{5/2}n{F}_J$ macro-dimer molecules of cesium