Mapping trilobite state signatures in atomic hydrogen

Abstract

A few-body approach relying on static line broadening theory is developed to treat the spectroscopy of a single Rydberg excitation to a trilobite-like state immersed in a high density ultracold medium. The present theoretical framework implements the compact treatment of polyatomic Rydberg molecules by Eiles et al. [arXiv:1601.06881], allowing for an accurate treatment of a large number of perturbers within the Rydberg orbit. This system exhibits two unique spectral signatures: its lineshape depends on the Rydberg quantum number $n$ but, strikingly, is independent of the density of the medium, and it is characterized by sharply peaked features reflecting the oscillatory structure of the potential energy landscape.

7 pages, 3 figures

References in corpus (7)

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• Ultracold atom-electron interaction: from two to many-body physics
• A mesoscopic Rydberg impurity in an atomic quantum gas
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• Formation of long-range Rydberg molecules in two-component ultracold gases
• Creation and observation of a ghost trilobite chemical bond
• Triatomic butterfly molecules
• Ring Rydberg Composites
• Angular-Momentum Couplings in Ultra-Long-Range Giant Dipole Molecules