Probing interactions between Rydberg atoms with large electric dipole moments in amplitude modulated electric fields

Abstract

Dipole-dipole interactions between helium atoms in Rydberg-Stark states with principal quantum number $n=53$ and approximately linear Stark energy shifts, resulting from induced electric dipole moments of approximately 7900 D, have been investigated experimentally. The experiments were performed in pulsed supersonic metastable helium beams, with particle number densities of up to $\sim 10^9$ cm${}^{-3}$. In the presence of amplitude-modulated, radio-frequency electric fields, changes in the spectral intensity distributions associated with the transitions to these states that are attributed to dipole-dipole interactions within the ensembles of excited atoms have been observed. The experimental results are in excellent agreement with calculations of the Rydberg energy level structure carried out using Floquet methods, and excitations shared by up to 4 atoms. The use of these Rydberg-Stark states as sensors for non-resonant broadband radio-frequency electrical noise is also discussed.

arXiv comment6 page, 4 figures

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Cited by in corpus (15)

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• Periodically Driven Array of Single Rydberg Atoms
• Tailoring Rydberg interactions via Förster resonances: state combinations, hopping and angular dependence
• Electrostatic trapping and in situ detection of Rydberg atoms above chip-based transmission lines
• A master equation for strongly interacting dipoles
• RF-dressed Rydberg atoms in hollow-core fibres
• Population trapping in a pair of periodically driven Rydberg atoms
• Landau-Zener transitions and Adiabatic impulse approximation in an array of two Rydberg atoms with time-dependent detuning
• Experimental demonstration of a Rydberg-atom beam splitter
• Preparation of circular Rydberg states in helium using the crossed fields method
• Rydberg-Stark states in oscillating electric fields
• Matter-wave interferometry with atoms in high Rydberg states
• Resonance-enhanced collective effect in a triangle arrangement of Rydberg atoms with anisotropic interactions
• Mean-field energy-level shifts and dielectric properties of strongly polarized Rydberg gases
• Geometric phase in anisotropic Kepler problem: Perspective for realization in Rydberg atoms