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We investigate the super and sub-radiance characteristics of the radiation emitted from a system of three two-level atoms, in the GHZ and W-states. The dipolar coupling between atoms leads to two distinct configurations, one in which the…

Quantum Physics · Physics 2016-10-31 Shaik Ahmed , Prasanta K. Panigrahi , P. Anantha Lakshmi

The emission characteristics in the fluorescence of two laser-driven dipole-dipole-interacting three level atoms is investigated. When the light from both atoms is detected separately a correlation of the emission processes is observed in…

Quantum Physics · Physics 2015-01-15 C. Skornia , J. von Zanthier , G. S. Agarwal , E. Werner , H. Walther

We study the superradiant phase transition of an array of Rydberg atoms in a dissipative microwave cavity. Under the interplay of the cavity field and the long-range Rydberg interaction, the steady state of the system exhibits an…

Quantum Physics · Physics 2024-12-11 Yiwen Han , Haowei Li , Wei Yi

Variations in the spatial intensity distribution of light caused by coherent interaction with two-level atoms are determined by semi-classically calculating a term for interference between incident light and spherical radiation from the…

Atomic Physics · Physics 2012-10-18 Akifumi Takamizawa , Koichi Shimoda

We propose a scheme for rapid generation of high fidelity steady state entanglement between a pair of atoms. A two-photon excitation process towards long-lived Rydberg states with finite pairwise interaction, a dark state interference…

Quantum Physics · Physics 2013-07-25 D. D. Bhaktavatsala Rao , Klaus Mølmer

The quadrupole interaction between the Rydberg electronic states of a Rydberg ion and the radio frequency electric field of the ion trap is analyzed. Such a coupling is negligible for the lowest energy levels of a trapped ion but it is…

Quantum Physics · Physics 2019-02-05 Lachezar S. Simeonov , Nikolay V. Vitanov , Peter A. Ivanov

The dipole blockade between Rydberg atoms has been proposed as a basic tool in quantum information processing with neutral atoms. Here we demonstrate experimentally the Rydberg blockade of two individual atoms separated by 4 $\mu$m.…

Quantum Physics · Physics 2010-06-09 A. Gaëtan , Y. Miroshnychenko , T. Wilk , A. Chotia , M. Viteau , D. Comparat , P. Pillet , A. Browaeys , P. Grangier

The mutual dipole-dipole interaction of atoms in a trap can affect their fluorescence. Extremely large effects were reported for double jumps between different intensity periods in experiments with two and three Ba^+ ions for distances in…

Quantum Physics · Physics 2007-05-23 Volker Hannstein , Gerhard C. Hegerfeldt

We study energy levels of two heteronuclear molecules moving in a spherically symmetric harmonic trap. A role of electric dipole interactions is compared and contrasted with our earlier results (https://arxiv.org/abs/1512.00631) for two…

Quantum Gases · Physics 2017-09-13 Wojciech Górecki , Kazimierz Rzążewski

We consider two clouds of ground state alkali atoms in two distinct hyperfine ground states. Each level is far off-resonantly coupled to a Rydberg state, which leads to dressed ground states with a weak admixture of the Rydberg state…

Atomic Physics · Physics 2014-04-30 M. Genkin , S. Wüster , S. Möbius , A. Eisfeld , J. M. Rost

Optical double-quantum two-dimensional coherent spectroscopy (2DCS) was implemented to probe interatomic dipole-dipole interactions in both potassium and rubidium atomic vapors. The dipole-dipole interaction was detected at densities of…

Atomic Physics · Physics 2019-09-26 Shaogang Yu , Michael Titze , Yifu Zhu , Xiaojun Liu , Hebin Li

We study the fluctuation-mediated interactions between two atoms in the presence of an aplanatic lens, demonstrating an enhancement in their resonant dipole-dipole interaction. We derive the field propagation of the linear optical system in…

Quantum Physics · Physics 2022-07-20 A. Olivera , K. Sinha , P. Solano

The dipole blockade phenomenon is a direct consequence of strong dipole-dipole interaction, where only single atom can be excited because the doubly excited state is shifted out of resonance. The corresponding two-body entanglement with…

Quantum Physics · Physics 2021-06-22 Chengjie Zhu , Wei Li , Yaping Yang , Girish Agarwal

A simplified scheme for the investigation of cooperative effects in the quantum jump statistics of small numbers of fluorescing atoms and ions in a trap is presented. It allows the analytic treatment of three dipole-dipole interacting…

Quantum Physics · Physics 2007-05-23 Volker Hannstein , Gerhard C. Hegerfeldt

The recoil of atoms in dense ensembles during light matter interactions is studied using quantized vibrational states for the atomic motion. The recoil resulting from the forces due to the near-field collective dipole interactions and…

Quantum Physics · Physics 2025-03-24 Deepak A. Suresh , F. Robicheaux

Atomic array coupled to a one-dimensional nanophotonic waveguide allows photon-mediated dipole-dipole interactions and nonreciprocal decay channels, which hosts many intriguing quantum phenomena owing to its distinctive and emergent quantum…

Quantum Physics · Physics 2024-03-26 I Gusti Ngurah Yudi Handayana , Chun-Chi Wu , Sumit Goswami , Ying-Cheng Chen , H. H. Jen

We measure the angular dependence of the resonant dipole-dipole interaction between two individual Rydberg atoms with controlled relative positions. By applying a combination of static electric and magnetic fields on the atoms, we…

Atomic Physics · Physics 2015-08-27 Sylvain Ravets , Henning Labuhn , Daniel Barredo , Thierry Lahaye , Antoine Browaeys

We study the population dynamics in a two-atom setup in which each atom is driven independently by different light fields, but coupling the same Rydberg state. In particular, we look at how an offset in the Rabi frequencies between two…

Quantum Gases · Physics 2019-09-04 Vineesha Srivastava , Ankita Niranjan , Rejish Nath

In this paper we address the analytical solution of the non-resonant interaction between two identical V-type three-level atoms passing consecutively through a single-mode cavity field in the presence of intensity-dependent coupling. By…

Quantum Physics · Physics 2022-09-02 Elham Faraji , Mohammad Kazem Tavassoly

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…

Atomic Physics · Physics 2015-07-14 V. Zhelyazkova , S. D. Hogan
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