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Related papers: Ultra-strong trion-polaritons

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Using the composite boson (coboson) many-body formalism, we determine under which conditions "trion-polariton" can exist. Dipolar attraction can bind an exciton and an electron into a trion having an energy well separated from the exciton…

Strongly Correlated Electrons · Physics 2017-04-28 Shiue-Yuan Shiau , Monique Combescot , Yia-Chung Chang

We develop a theory for light propagating in an atomic Bose-Einstein condensate in the presence of strong interactions. The resulting many-body correlations are shown to have profound effects on the optical properties of this interacting…

Quantum Gases · Physics 2020-05-06 A. Camacho-Guardian , K. Knakkergaard Nielsen , T. Pohl , G. M. Bruun

The dynamics of a mobile quantum impurity in a degenerate Fermi system is a fundamental problem in many-body physics. The interest in this field has been renewed due to recent ground-breaking experiments with ultra-cold Fermi gases. Optical…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 Meinrad Sidler , Patrick Back , Ovidiu Cotlet , Ajit Srivastava , Thomas Fink , Martin Kroner , Eugene Demler , Atac Imamoglu

Polaritons are unique hybrid light-matter states that offer an alternative way to manipulate chemical processes and change material properties. In this work we theoretically demonstrate that singlet fission dynamics can be accelerated under…

Chemical Physics · Physics 2021-10-06 Clàudia Climent , David Casanova , Johannes Feist , Francisco J. García-Vidal

Atomically thin crystals of transition metal dichalcogenides (TMDs) host excitons with strong binding energies and sizable light-matter interactions. Coupled to optical cavities, monolayer TMDs routinely reach the regime of strong…

Phase transitions, where observable properties of a many-body system change discontinuously, can occur in both open and closed systems. Ultracold atoms have provided an exemplary model system to demonstrate the physics of closed-system…

The quest to realise strongly interacting photons remains an outstanding challenge both for fundamental science and for applications. Here, we explore mediated photon-photon interactions in a highly imbalanced two-component mixture of…

Mesoscale and Nanoscale Physics · Physics 2021-01-13 A. Camacho-Guardian , M. Bastarrachea-Magnani , G. M. Bruun

Exciton polaritons in two-dimensional semiconductors inside microcavities are powerful platforms to explore hybrid light-matter quantum systems. Here, we study a macroscopic coherent population of the lowest energy state of…

Mesoscale and Nanoscale Physics · Physics 2021-10-26 Aleksi Julku , Miguel. A. Bastarrachea-Magnani , Arturo Camacho-Guardian , Georg M. Bruun

We have investigated theoretically a dissipative polariton system in the ultrastrong light-matter coupling regime without using the rotating-wave approximation on system-reservoir coupling. Photons in a cavity and excitations in matter…

Quantum Physics · Physics 2013-01-07 Motoaki Bamba , Tetsuo Ogawa

Organic polaritons resulting from the strong hybridisation between photons and matter excitations have arisen as a suitable platform to device light-matter technological interfaces at room temperature. Despite their inherent complexity,…

Exciton-polaritons in semiconductor microcavities have advanced to become a model system for studying dynamical Bose-Einstein condensation, macroscopic coherence, many-body effects, nonclassical states of light and matter, and possibly…

Quantum Gases · Physics 2017-03-21 C. Schneider , K. Winkler , M. D. Fraser , M. Kamp , Y. Yamamoto , E. A. Ostrovskaya , S. Hoefling

It is widely assumed that photons cannot be manipulated using electric or magnetic fields. Even though hybridization of photons with electronic polarization to form exciton-polaritons has paved the way to a number of ground-breaking…

Multi-particle correlations of exciton-polaritons and reservoir-excitons in the strong light-matter coupling regime dictate the quantum dynamics of optical microcavities. In this letter, we examine the many-body exciton-polariton dynamics…

Intersubband polaritons are light-matter excitations originating from the strong coupling between an intersubband quantum well electronic transition and a microcavity photon mode. In this paper we study how the Coulomb electron-electron…

Other Condensed Matter · Physics 2015-09-07 Luc Nguyen-Thê , Simone De Liberato , Motoaki Bamba , Cristiano Ciuti

Dressing quantum states of matter with virtual photons can create exotic effects ranging from vacuum-field modified transport to polaritonic chemistry, and may drive strong squeezing or entanglement of light and matter modes. The…

Quantum Physics · Physics 2023-09-14 J. Mornhinweg , L. Diebel , M. Halbhuber , M. Prager , J. Riepl , T. Inzenhofer , D. Bougeard , R. Huber , C. Lange

The experimental observation of quantum phenomena in strongly correlated many particle systems is difficult because of the short length- and timescales involved. Obtaining at the same time detailed control of individual constituents appears…

Quantum Physics · Physics 2007-05-23 Michael J. Hartmann , Fernando G. S. L. Brandao , Martin B. Plenio

We present a microscopic semi-analytical theory for the description of organic molecules interacting strongly with a cavity mode. Exciton-vibration coupling within the molecule and exciton-cavity interaction are treated on an equal footing…

Mesoscale and Nanoscale Physics · Physics 2016-11-15 Ning Wu , Johannes Feist , Francisco J. Garcia-Vidal

Semiconductors in all dimensionalities ranging from 0D quantum dots and molecules to 3D bulk crystals support bound electron-hole pair quasiparticles termed as excitons. Over the past two decades, the emergence of a variety of…

Materials Science · Physics 2021-08-03 Surendra B. Anantharaman , Kiyoung Jo , Deep Jariwala

Exciton-polaritons are hybrid elementary excitations of light and matter that, thanks to their nonlinear properties, enable a plethora of physical phenomena ranging from room temperature condensation to superfluidity. While polaritons are…

Mesoscale and Nanoscale Physics · Physics 2022-03-23 Davide Nigro , Vincenzo D'Ambrosio , Daniele Sanvitto , Dario Gerace

Exciton-polaritons in semiconductors are quasi-particles which have recently shown the capability to undergo phase transition into a coherent hybrid state of light and matter. The observation of such quasi-particles in organic microcavities…