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Atoms in highly excited (Rydberg) states have a number of unique properties which make them attractive for applications in quantum information. These are large dipole moments, lifetimes and polarizabilities, as well as strong long-range…

Quantum Physics · Physics 2016-05-25 I. I. Ryabtsev , I. I. Beterov , D. B. Tretyakov , V. M. Entin , E. A. Yakshina

Quantum reflection is a pure wave phenomena that predicts reflection of a particle at a changing potential for cases where complete transmission occurs classically. For a chemical bond, we find that this effect can lead to non-classical…

Trilobite molecules are ultralong-range Rydberg molecules formed when a high angular momentum Rydberg electron scatters off of a ground-state atom. Their unique electronic structure and highly oscillatory potential energy curves support a…

Atomic Physics · Physics 2024-12-31 Rohan Srikumar , Seth T. Rittenhouse , Peter Schmelcher

The presence of non-local and long-range interactions in quantum systems induces several peculiar features in their equilibrium and out-of-equilibrium behavior. In current experimental platforms control parameters such as interaction range,…

An operator that generates an approximate symmetry of long-range Rydberg molecules (LRRMs) formed by two alkali atoms, one in a Rydberg state and the other in the ground state, is identified. This is first done by evaluating the natural…

Atomic Physics · Physics 2023-12-08 H. Rivera-Rodríguez , R. Jáuregui

Rydberg atoms held in optical tweezer arrays combine vibrational and electronic degrees of freedom which can be coupled and manipulated at a microscopic level. This opens opportunities for the quantum simulation of artificial molecular…

Quantum Physics · Physics 2025-10-21 Simon Euchner , Igor Lesanovsky

We probe resonant dipolar interactions between ultracold $^{40}$K$^{87}$Rb molecules and Rydberg $^{87}$Rb atoms in an optically trapped ensemble. Through state-selective ionization detection of the KRb molecules, we observe resonant energy…

Atomic Physics · Physics 2025-04-10 Lingbang Zhu , Jeshurun Luke , Roy Shaham , Yi-Xiang Liu , Kang-Kuen Ni

Molecules containing superheavy atoms can be artificially created to serve as sensitive probes for study of symmetry-violating phenomena. Here, we provide a detailed theoretical study for diatomic molecules containing the superheavy…

Atomic Physics · Physics 2021-12-15 R. Mitra , V. S. Prasannaa , R. F. Garcia Ruiz , T. K. Sato , M. Abe , Y. Sakemi , B. P. Das , B. K. Sahoo

We explore the external electric field control of a species of ultralong-range molecules that emerge from the interaction of a ground state polar molecule with a Rydberg atom. The external field mixes the Rydberg electronic states and…

Atomic Physics · Physics 2012-06-01 M. Mayle , S. T. Rittenhouse , P. Schmelcher , H. R. Sadeghpour

We study long range interactions between two Rydberg atoms and predict the existence of ultralong range Rydberg dimers with equilibrium distances of many thousand Bohr radii. We calculate the dispersion coefficients $C_{5}$, $C_{6}$ and…

Atomic Physics · Physics 2009-11-07 Christophe Boisseau , Ionel Simbotin , Robin Cote

We show the existence of ultra-long-range giant dipole molecules formed by a neutral alkali ground state atom that is bound to the decentered electronic wave function of a giant dipole atom. The adiabatic potential surfaces emerging from…

Atomic Physics · Physics 2012-03-14 Markus Kurz , Michael Mayle , Peter Schmelcher

We present a novel binding mechanism where a neutral Rydberg atom and an atomic ion form a molecular bound state at large internuclear distance. The binding mechanism is based on Stark shifts and level crossings which are induced in the…

Atomic Physics · Physics 2021-12-28 Markus Deiß , Shinsuke Haze , Johannes Hecker Denschlag

Standing light waves structure the electronic density of a Rydberg atom in a rich but surprisingly systematic fashion. We uncover these systematics, which are nearly universal across a large range of principal quantum numbers n, by varying…

Atomic Physics · Physics 2026-05-29 Homar Rivera-Rodríguez , Matthew T. Eiles , Jan M. Rost

Rydberg atom-based sensors are a new type of radio frequency sensor that is inherently quantum mechanical. Several configurations of the sensor use a local oscillator to determine the properties of the target radio frequency field. We…

Atomic Physics · Physics 2023-05-30 Mohammad Noaman , Donald W. Booth , James P. Shaffer

This paper reviews recent advances in the study of strongly interacting systems of dipolar molecules. Heteronuclear molecules feature large and tunable electric dipole moments, which give rise to long-range and anisotropic dipole-dipole…

Quantum Gases · Physics 2016-07-14 Bryce Gadway , Bo Yan

We investigate the non-adiabatic quantum dynamics of ultralong-range Rydberg molecules using a vibronically coupled two-channel treatment. The two channels are composed of coupled trilobite and butterfly electronic states, formed as a…

Atomic Physics · Physics 2026-03-17 Felix Giering , Rohan Srikumar , Peter Schmelcher

Quantum information processing with neutral atoms relies on Rydberg excitation for entanglement generation. While the use of heavy divalent or open-shell elements, such as strontium or ytterbium, has benefits due to their optically active…

The lifetimes of the lower-lying vibrational states of ultralong-range strontium Rydberg molecules comprising one ground-state 5s2 1S0 atom and one Rydberg atom in the 5s38s 3S1 state are reported. The molecules are created in an ultracold…

We perform a comparative analysis of different computational approaches employed to explore the electronic structure of ultralong-range Rydberg molecules. Employing the Fermi pseudopotential approach, where the interaction is approximated…

Long-range Rydberg molecules (LRMs) form when a highly excited Rydberg electron scatters from ground-state atoms inside its orbit, creating oscillatory, long-range potentials. We present a combined theoretical and experimental study of…