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We propose a theoretical scheme for dipole exchange-induced grating (DEIG) based on a hybrid system consisting of ultra-cold Rubidium ($^{87}$Rb) atomic ensemble and movable Rydberg spin atoms. The optical response of the grating appears as…

Atomic Physics · Physics 2024-04-03 Xuan-Qian Bao , Xue-Dong Tian , Dong-Xiao Li , Yi-Mou Liu

We report on further investigation of nuclear hyperpolarization of helium-3 in magnetized plasma at a magnetic field of 3.66 T and at different experimental conditions in a dual cell of relatively large volume, compared to those reported in…

Atomic Physics · Physics 2022-08-16 Alexander Makarchenko , Vyacheslav Kuzmin , Kajum Safiullin , Murat Tagirov

We present an approach which allows the consistent treatment of bound states in the context of the dc conductivity in dense partially ionized noble gas plasmas. Besides electron-ion and electron-electron collisions, further collision…

Plasma Physics · Physics 2017-08-02 Sebastian Rosmej , Heidi Reinholz , Gerd Röpke

We propose a new all-optical method to image individual atoms within dense atomic gases. The scheme exploits interaction induced shifts on highly polarizable excited states, which can be spatially resolved via an electromagnetically induced…

It is proposed that the rapid observed homogeneous nucleation of ice dust in a cold, weakly-ionized plasma depends on the formation of hydroxide (OH$^-$) by fast electrons impacting water molecules. These OH$^{-}$ ions attract neutral water…

Plasma Physics · Physics 2022-08-31 Paul M. Bellan

We observe ultralong-range blue-shifted Cs$_{2}$ molecular states near $ns_{1/2}$ Rydberg states in an optical dipole trap, where $31\leq n\leq34$. The accidental near degeneracy of $(n-4)l$ and $ns$ Rydberg states for $l>2$ in Cs, due to…

Atomic Physics · Physics 2015-06-05 J. Tallant , S. T. Rittenhouse , D. Booth , H. R. Sadeghpour , J. P. Shaffer

The dynamics of nuclear reaction in plasma is a fundamental issue in many high energy density researches, such as the astrophysical reactions and the inertial confinement fusion. The effective reaction cross-sections and ion stopping power…

Charged colloidal particles trapped at an air--water interface are well known to form an ordered crystal, stabilized by a long ranged repulsion, the details of this repulsion remain something of a mystery, but all experiments performed to…

Soft Condensed Matter · Physics 2016-12-22 Duck-Gyu Lee , Pietro Cicuta , Dominic Vella

We present the experimental realization and characterization of a Ramsey interferometer based on optically trapped ultracold potassium atoms, where one state is continuously coupled by an off-resonant laser field to a highly-excited Rydberg…

Atomic Physics · Physics 2019-02-13 A. Arias , G. Lochead , T. M. Wintermantel , S. Helmrich , S. Whitlock

In this report, we describe characteristics of a ring-structure hydrogen plasma heated in electron cyclotron resonance conditions and confined in a mirror magnetic trap and discuss the relative efficiency of secondary electrons and…

Plasma Physics · Physics 2007-05-23 Angel Jose Chacon Velasco , Valeri Dougar-Jabon

We report on the induction of magnetization in Rydberg systems by means of the inverse Faraday effect, and propose the appearance of the effect in two such systems, Rydberg atoms proper and shallow dopants in semiconductors. Rydberg atoms…

Atomic Physics · Physics 2025-03-05 Patrick J. Wong , Ivan M. Khaymovich , Gabriel Aeppli , Alexander V. Balatsky

Cold collisions between two Rydberg rubidium atoms ($^{87}$Rb) are investigated by controlling the impact parameter and collision energy. Optical tweezers are employed to hold one atom stationary while propelling the other to a constant…

Atomic Physics · Physics 2024-12-10 Hansub Hwang , Sunhwa Hwang , Jaewook Ahn , Shuhei Yoshida , Joachim Burgdorfer

We report experimental results on Rydberg facilitation, whereby Rydberg levels can be excited off-resonantly in the presence of a nearby Rydberg atom because of Rydberg-Rydberg interactions, for high-lying $S$, $P$ and $D$ levels in…

Atomic Physics · Physics 2026-04-23 Bleuenn Bégoc , Sukhjit P. Singh , Giovanni Cichelli , Roberto Franco , Oliver Morsch

Cold Rydberg atoms, known for their long lifetimes and strong dipole-dipole interactions that lead to the Rydberg blockade phenomenon, are among the most promising platforms for quantum simulations, quantum computation and quantum networks.…

We use the technique of electro-magnetically induced transparency (EIT) to probe the effect of attractive dipole-dipole interactions in a highly excited Rydberg gas. The transient character of the EIT response is investigated by rapidly…

Atomic Physics · Physics 2011-09-30 J D Pritchard , A Gauguet , K J Weatherill , C S Adams

Optically trapped Rydberg atoms are a suitable platform to explore quantum many-body physics mediated by long-range atom--atom interactions that can be engineered through externally applied light fields. However, this approach is limited to…

Resonant energy transfer between cold Rydberg atoms was used to determine Rydberg atom energy levels, at precisions approaching those obtainable in microwave spectroscopy. Laser cooled Rb atoms from a magneto-optical trap were optically…

Atomic Physics · Physics 2007-05-23 K. Afrousheh , P. Bohlouli-Zanjani , J. A. Petrus , J. D. D. Martin

Coupling by the resonant dipole-dipole energy transfer between cold cesium Rydberg atoms is investigated using time-resolved narrow-band de-excitation spectroscopy. This technique combines the advantage of efficient Rydberg excitation with…

Atomic Physics · Physics 2009-11-11 Marcel Mudrich , Nassim Zahzam , Thibault Vogt , Daniel Comparat , Pierre Pillet

The formation of an electron-hole plasma during the interaction of intense femtosecond laser pulses with transparent solids lies at the heart of femtosecond laser processing. Advanced micro- and nanomachining applications require improved…

Electrostatic multipole interactions generate long-range Rydberg-Rydberg macrodimer. We calculate the adiabatic potentials of cesium $(nD_{J})_2$ Rydberg macrodimers for principal quantum numbers $n$ ranging from 56 to 62, for $J=3/2$ and…

Atomic Physics · Physics 2019-07-16 Xiaoxuan Han , Suying Bai , Yuechun Jiao , Georg Raithel , Jianming Zhao , Suotang Jia
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