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Related papers: Ultralong-range Rydberg molecules

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Ultralong-range Rydberg molecules, composed of an excited Rydberg atom and a ground-state atom, are characterized by large bond lengths, dipole moments, sensitivity to external fields, and an unusual binding mechanism based on low-energy…

Atomic Physics · Physics 2025-05-13 Agata Wojciechowska , Michał Tomza , Matthew T. Eiles

Rydberg molecule, formed by one or more Rydberg atoms, exhibits remarkable properties, including an exceptionally large spatial extent, rich rovibrational level structures, permanent electric dipole moments, and a pronounced sensitivity to…

Atomic Physics · Physics 2026-03-11 Jingxu Bai , Yuechun Jiao , Xiao-Qiang Shao , Weibin Li , Jianming Zhao

This Ph.D. tutorial discusses ultra-long-range Rydberg molecules, the exotic bound states of a Rydberg atom and one or more ground state atoms immersed in the Rydberg electron's wave function. This novel chemical bond is distinct from an…

Atomic Physics · Physics 2019-09-04 Matthew T Eiles

Ultra-long-range Rydberg molecules (ULRMs) have attracted significant interest due to their unique electronic properties and potential applications in quantum technologies. We theoretically investigate the formation and characteristics of…

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 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

Ultralong-range Rydberg molecules (ULRM) are highly imbalanced bound systems formed via the low-energy scattering of a Rydberg electron with a ground-state atom. We investigate for $^{23}$Na the $d$-state and the energetically close-by…

Atomic Physics · Physics 2023-07-26 Rohan Srikumar , Frederic Hummel , Peter Schmelcher

We unravel some peculiar properties of ultralong-range Rydberg molecules formed by an $s$-state $^{87}$Rb Rydberg atom and a corresponding ground-state atom whose electronic orbitals are spherically symmetric and therefore should not be…

Atomic Physics · Physics 2019-02-06 Frederic Hummel , Christian Fey , Peter Schmelcher

We show that the recently observed class of long-range ion-Rydberg molecules can be divided into two families of states, which are characterised by their unique electronic structures resulting from the ion-induced admixture of quantum…

Atomic Physics · Physics 2023-02-14 Daniel J. Bosworth , Frederic Hummel , Peter Schmelcher

Controlling molecular binding at the level of single atoms is one of the holy grails of quantum chemistry. Rydberg macrodimers -- bound states between highly excited Rydberg atoms -- provide a novel perspective in this direction. Resulting…

Atomic Physics · Physics 2023-06-14 Simon Hollerith , Johannes Zeiher

The formation of ultralong-range Rydberg molecules is a result of the attractive interaction between Rydberg electron and polarizable ground state atom in an ultracold gas. In the nondegenerate case the backaction of the polarizable atom on…

Atomic Physics · Physics 2015-07-10 A. Gaj , A. T. Krupp , P. Ilzhöfer , R. Löw , S. Hofferberth , T. Pfau

A generalized class of ultra-long-range Rydberg molecules is proposed which consist of a multichannel Rydberg atom whose outermost electron creates a chemical bond with a distant ground state atom. Such multichannel Rydberg molecules…

Atomic Physics · Physics 2015-11-11 Matthew T. Eiles , Chris H. Greene

The internal electric field of a Rydberg atom electron can bind a polar molecule to form a giant ultralong-range stable polyatomic molecule. Such molecules not only share their properties with Rydberg atoms, they possess huge permanent…

Atomic Physics · Physics 2015-05-27 Seth T. Rittenhouse , M. Mayle , P. Schmelcher , H. R. Sadeghpour

We investigate the fine and spin structure of ultralong-range Rydberg molecules exposed to a homogeneous magnetic field. Each molecule consists of a $^{87}$Rb Rydberg atom whose outer electron interacts via spin-dependent $s$- and p-wave…

Atomic Physics · Physics 2018-05-02 Frederic Hummel , Christian Fey , Peter Schmelcher

A Rydberg and a ground-state atom can form ultralong range diatomic molecules provided the interaction between the ground-state atom and the Rydberg electron is attractive [C. H. Greene, et al., Phys. Rev. Lett. 85, 2458 (2000)]. A…

Atomic Physics · Physics 2008-07-15 Ivan C. H. Liu , Jovica Stanojevic , Jan M. Rost

We investigate properties of ultralong-range polyatomic molecules formed with a Rb Rydberg atom and several ground-state atoms whose distance from the Rydberg atom is of the order of n^2a_0, where n is the principle quantum number of the…

Atomic Physics · Physics 2007-05-23 Ivan C. H. Liu , Jan M. Rost

Sufficiently high densities in Bose-Einstein condensates provide favorable conditions for the production of ultralong-range polyatomic molecules consisting of one Rydberg atom and a number of neutral ground state atoms. The chemical binding…

Atomic Physics · Physics 2017-05-10 Matthew T Eiles , Jesus Perez-Rios , F Robicheaux , Chris H Greene

We report the creation of ultralong-range Sr$_2$ molecules comprising one ground-state $5s^2$ $^1S_0$ atom and one atom in a $5sns$ $^3S_1$ Rydberg state for $n$ ranging from 29 to 36. Molecules are created in a trapped ultracold atomic gas…

Divalent atoms have emerged as powerful alternatives to alkalis in ultracold atom platforms, offering unique advantages arising from their two-electron structure. Among these species, ytterbium (Yb) is especially promising, yet its anionic…

We explore the electronic structure of ultralong-range pentaatomic Rydberg molecules from a merger of a Rydberg atom and two ground state heteronuclear diatomic molecules. Our focus is on the interaction of Rb($23s$) and Rb($n=20$, $l\ge…

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