Ultralong-range Rydberg bi-molecules

Abstract

We predict that ultralong-range Rydberg bi-molecules form in collisions between polar molecules in cold and ultracold settings. The collision of $\Lambda$-doublet nitric oxide (NO) with long-lived Rydberg NO($nf$, $ng$) molecules forms ultralong-range Rydberg bi-molecules with GHz energies and kilo-Debye permanent electric dipole moments. The Hamiltonian includes both the anisotropic charge-molecular dipole interaction and the electron-NO scattering. The rotational constant for the Rydberg bi-molecules is in the MHz range, allowing for microwave spectroscopy of rotational transitions in Rydberg bi-molecules. Considerable orientation of NO dipole can be achieved. The Rydberg molecules described here hold promise for studies of a special class of long-range bi-molecular interactions.

arXiv comment5 pages, 3 figures

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Cited by in corpus (6)

• Sympathetic cooling and slowing of molecules with Rydberg atoms
• Kato's theorem and ultralong-range Rydberg molecules
• Light interactions with polar quantum systems
• Collisional shift and broadening of Rydberg states in nitric oxide at room temperature
• Ultralong-range Rydberg molecules of Hg atoms
• Probing van der Waals interactions and detecting polar molecules by Förster resonance energy transfer with Rydberg atoms at temperatures below 100 mK