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Related papers: Positronium density measurements using polaritonic…

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The realization and control of polaritons is of paramount importance in the prospect of novel photonic devices. Here, we investigate the emergence of plasmon-exciton polaritons in hybrid structures consisting of a two-dimensional (2D)…

Mesoscale and Nanoscale Physics · Physics 2018-01-10 P. A. D. Gonçalves , L. P. Bertelsen , Sanshui Xiao , N. Asger Mortensen

Interacting Bose-Fermi systems play a central role in condensed matter physics. Here, we analyze a novel Bose-Fermi mixture formed by a cavity exciton-polariton condensate interacting with a two-dimensional electron system. We show that…

Quantum Gases · Physics 2016-02-17 Ovidiu Cotleţ , Sina Zeytinoǧlu , Manfred Sigrist , Eugene Demler , Ataç Imamoǧlu

Two-dimensional semiconductors inside optical microcavities have emerged as a versatile platform to explore new hybrid light-matter quantum states. The strong light-matter coupling leads to the formation of exciton-polaritons, which in turn…

Mesoscale and Nanoscale Physics · Physics 2021-11-05 Miguel Angel Bastarrachea-Magnani , Jannie Thomsen , Arturo Camacho-Guardian , Georg M. Bruun

The s-wave scattering length for the Positronium-Positronium interaction is estimated semi-phenomenologically with the long-range van der Waals force and the short-range repulsive potential that represents the hard core between two…

Condensed Matter · Physics 2007-05-23 K. Oda , T. Miyakawa , H. Yabu , T. Suzuki

The discrepancy between polarized and unpolarized measurements of the proton's electromagnetic form factors is striking, and suggests that two-photon exchange (TPE) may be playing a larger role in elastic electron-proton scattering than is…

Nuclear Experiment · Physics 2018-06-13 Axel Schmidt

Positron beams, both polarized and unpolarized, are identified as essential ingredients for the experimental program at the next generation of lepton accelerators. In the context of the Hadronic Physics program at the Jefferson Laboratory…

Nuclear Experiment · Physics 2019-06-25 A. Afanasev , I. Albayrak , S. Ali , M. Amaryan , A. D'Angelo , J. Annand , J. Arrington , A. Asaturyan , H. Avakian , T. Averett , L. Barion , M. Battaglieri , V. Bellini , V. Berdnikov , J. Bernauer , A. Biselli , M. Boer , M. Bondì , K. -T. Brinkmann , B. Briscoe , V. Burkert , A. Camsonne , T. Cao , L. Cardman , M. Carmignotto , L. Causse , A. Celentano , P. Chatagnon , G. Ciullo , M. Contalbrigo , D. Day , M. Defurne , S. Diehl , B. Dongwi , R. Dupré , D. Dutta , M. Ehrhart , L. Elouadrhiri , R. Ent , I. Fernando , A. Filippi , Y. Furletova , H. Gao , A. Gasparian , D. Gaskell , F. Georges , F. -X. Girod , J. Grames , C. Gu , M. Guidal , D. Hamilton , D. Hasell , D. Higinbotham , M. Hoballah , T. Horn , C. Hyde , A. Italiano , N. Kalantarians , G. Kalicy , D. Keller , C. Keppel , M. Kerver , P. King , E. Kinney , H. -S. Ko , M. Kohl , V. Kubarovsky , L. Lanza , P. Lenisa , N. Liyanage , S. Liuti , J. Mamei , D. Marchand , P. Markowitz , L. Marsicano , M. Mazouz , M. McCaughan , B. McKinnon , M. Mihovilovič , R. Milner , A. Mkrtchyan , H. Mkrtchyan , A. Movsisyan , C. Muñoz Camacho , P. Nadel-Turońs , M. De Napoli , J. Nazeer , S. Niccolai , G. Niculescu , R. Novotny , L. Pappalardo , R. Paremuzyan , E. Pasyuk , T. Patel , I. Pegg , D. Perera , A. Puckett , N. Randazzo , M. Rashad , M. Rathnayake , A. Rizzo , J. Roche , O. Rondon , A. Schmidt , M. Shabestari , Y. Sharabian , S. Širca , D. Sokhan , A. Somov , N. Sparveris , S. Stepanyan , I. Strakovsky , V. Tadevosyan , M. Tiefenback , R. Trotta , R. De Vita , H. Voskanyan , E. Voutier , R. Wang , B. Wojtsekhowski , S. Wood , H. -G. Zaunick , S. Zhamkochyan , J. Zhang , S. Zhao , X. Zheng , C. Zorn

Exciton-polaritons (EPs) arising from strong light-matter coupling offer new pathways for controlling optoelectronic properties. While typically requiring closed optical cavities for strong coupling, we demonstrate that 2D metal-organic…

Optics · Physics 2025-12-11 Bongjun Choi , Adam D. Alfieri , Wangleong Chen , Deep Jariwala

One of the most captivating properties of polaritons is their capacity to confine light at the nanoscale. This confinement is even more extreme in two-dimensional (2D) materials. 2D polaritons have been investigated by optical measurements…

Exciton-polaritons are a coherent electron-hole-photon (e-h-p) system where condensation has been observed in semiconductor microcavities. In contrast to equilibrium Bose-Einstein condensation (BEC) for long lifetime systems, polariton…

Strong light-matter interactions in both the single-emitter and collective strong coupling regimes attract significant attention due to emerging quantum and nonlinear optics applications, as well as opportunities for modifying…

Mesoscale and Nanoscale Physics · Physics 2019-09-11 Tuomas P. Rossi , Timur Shegai , Paul Erhart , Tomasz J. Antosiewicz

We develop a microscopic description of an electron-doped two-dimensional semiconductor embedded in a microcavity. Specifically, we investigate the interactions between exciton-polaritons and electrons for the case where the interactions…

Mesoscale and Nanoscale Physics · Physics 2021-05-19 Guangyao Li , Olivier Bleu , Jesper Levinsen , Meera M. Parish

We study experimentally the lasing regime of a GaAs based microcavity sample under strong optical pumping. The very same sample exhibits the strong coupling regime at low excitation power with a Rabi splitting as large as 15 meV. We show…

Materials Science · Physics 2009-09-29 Daniele Bajoni , Pascale Senellart , Aristide Lemaître , Jacqueline Bloch

A toolbox for the quantum simulation of polarons in ultracold atoms is presented. Motivated by the impressive experimental advances in the area of ultracold atomic mixtures, we theoretically study the problem of ultracold atomic impurities…

Quantum Physics · Physics 2017-05-25 E. Compagno , G. De Chiara , D. G. Angelakis , G. M. Palma

Exciton-polaritons are mixed light-matter excitations that result from the strong coupling regime between an active excitonic material and photonic resonances. Harnessing these hybrid excitations provides a rich playground to explore…

State-of-the-art hybrid perovskites have demonstrated excellent functionality in photovoltaics and light-emitting applications, and have emerged as a promising candidate for exciton-polariton (polariton) optoelectronics. In the strong…

A previously unexplored experimental scheme is presented for generating low-divergence, ultra-dense, relativistic, electron-positron beams using 400 GeV/c protons available at facilities such as HiRadMat and AWAKE at CERN. Preliminary…

Plasmon-exciton polaritons provide exciting possibilities to control light-matter interactions at the nanoscale by enabling closer investigation of quantum optical effects and facilitating novel technologies based, for instance, on…

Mesoscale and Nanoscale Physics · Physics 2020-02-25 Grigorios P. Zouros , Georgios D. Kolezas , N. Asger Mortensen , Christos Tserkezis

We consider non-dissipative drag between Bose-condensed exciton polaritons in optical microcavity and embedded superconductors. This effect consists in induction of a non-dissipative electric current in the superconductor by motion of…

Mesoscale and Nanoscale Physics · Physics 2023-10-17 Azat F. Aminov , Alexey A. Sokolik , Yurii E. Lozovik

Exciton-polaritons resulting from the strong exciton-photon interaction stimulate the development of novel coherent light sources with low threshold, long range spatial, and temporal coherence to circumvent the ever increasing energy…

Mesoscale and Nanoscale Physics · Physics 2023-03-20 Xianxin Wu , Jiepeng Song , Shuai Zhang , Wenna Du , Yubin Wang , Zhuoya Zhu , Yin Liang , Qing Zhang , Qihua Xiong , Xinfeng Liu

Generation of ultrarelativistic polarized positrons during interaction of an ultrarelativistic electron beam with a counterpropagating two-color petawatt laser pulse is investigated theoretically. Our Monte Carlo simulation based on a…