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Despite recent numerical evidence, one of the fundamental theoretical mysteries of polaritonic chemistry is how and if collective strong coupling can induce local changes of the electronic structure to modify chemical properties. Here we…

Polaritonic chemistry exploits strong light-matter coupling between molecules and confined electromagnetic field modes to enable new chemical reactivities. In systems displaying this functionality, the choice of the cavity determines both…

Optics · Physics 2022-08-25 Jacopo Fregoni , Francisco J. García-Vidal , Johannes Feist

Polaritonic chemistry offers the possibility of modifying molecular properties and even influencing chemical reactivity through strong coupling between vibrational transitions and confined light modes in optical cavities. Despite…

Chemical Physics · Physics 2025-05-16 Thomas Schnappinger , Markus Kowalewski

Polaritonic chemistry has garnered increasing attention in recent years due to pioneering experimental results, which show that site- and bond-selective chemistry at room temperature is achievable through strong collective coupling to field…

Chemical Physics · Physics 2025-06-03 Dominik Sidler , Michael Ruggenthaler , Angel Rubio

Polaritonic chemistry investigates the possible modification of chemical and photochemical reactions by means of strong light-matter coupling in optical cavities, as demonstrated in numerous experiments over the last few years. These…

Quantum Physics · Physics 2025-07-30 Lucas Borges , Thomas Schnappinger , Markus Kowalewski

Polaritonic chemistry is an interdisciplinary emerging field that presents several challenges and opportunities in chemistry, physics, and engineering. A systematic review of polaritonic response theory is presented, following a chemical…

Chemical Physics · Physics 2023-05-08 Matteo Castagnola , Rosario R. Riso , Alberto Barlini , Enrico Ronca , Henrik Koch

Polaritonic chemistry relies on the strong light-matter interaction phenomena for altering the chemical reaction rates inside optical cavities. To explain and to understand these processes, the development of reliable theoretical models is…

Chemical Physics · Physics 2022-09-14 Fabijan Pavošević , Angel Rubio

This review outlines several linear optical effects featured by molecular polaritons arising in the collective strong light-matter coupling regime. Under weak laser irradiation and when the single-molecule light-matter coupling can be…

Intermolecular interactions are pivotal for aggregation, solvation, and crystallization. We demonstrate that the collective strong coupling of several molecules to a single optical mode results in notable changes in the molecular…

Quantum Physics · Physics 2024-02-19 Matteo Castagnola , Tor S. Haugland , Enrico Ronca , Henrik Koch , Christian Schäfer

This perspective provides a brief introduction into the theoretical complexity of polaritonic chemistry, which emerges from the hybrid nature of strongly coupled light-matter states. To tackle this complexity, the importance of ab initio…

Chemical Physics · Physics 2022-06-29 Dominik Sidler , Michael Ruggenthaler , Christian Schäfer , Enrico Ronca , Angel Rubio

Molecular polaritons arise when molecules interact so strongly with light that they become entangled with each other. This light-matter hybridization alters the chemical and physical properties of the molecular system and allows chemical…

Chemical Physics · Physics 2023-07-28 Tor S. Haugland , John P. Philbin , Tushar K. Ghosh , Ming Chen , Henrik Koch , Prineha Narang

Cavity quantum electrodynamics provides an ideal platform to engineer and control light-matter interactions with polariton quasiparticles. In this work, we investigate collective phenomena in a system of many particles in a harmonic trap…

Quantum Physics · Physics 2023-06-21 V. Rokaj , S. I. Mistakidis , H. R. Sadeghpour

Polaritons are quantum mechanical superpositions of photon states with elementary excitations in molecules and solids. The light-matter admixture causes a characteristic frequency-momentum dispersion shared by all polaritons irrespective of…

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

Collective strong coupling between a disordered ensemble of $N$ localized molecular vibrations and a resonant optical cavity mode gives rise to 2 polariton and $N-1\gg2$ dark modes. Thus, experimental changes in thermally-activated reaction…

Quantum Physics · Physics 2022-03-14 Matthew Du , Joel Yuen-Zhou

Strong coupling between various kinds of material excitations and optical modes has recently shown potential to modify chemical reaction rates in both excited and ground states. The ground-state modification in chemical reaction rates has…

A light-matter hybrid quasiparticle, called a polariton, is formed when molecules are strongly coupled to an optical cavity. Recent experiments have shown that polariton chemistry can manipulate chemical reactions. Polariton chemistry is a…

Chemical Physics · Physics 2024-01-11 Xinyang Li , Nicholas Lubbers , Sergei Tretiak , Kipton Barros , Yu Zhang

Polariton chemistry exploits the strong interaction between quantized excitations in molecules and quantized photon states in optical cavities to affect chemical reactivity. Molecular polaritons have been experimentally realized by the…

Chemical Physics · Physics 2023-09-06 Jonathan J. Foley , Jonathan F. McTague , A. Eugene DePrince

Recent reports suggest that chemical reaction rates can change when reactants are placed inside an optical cavity. These effects have been attributed to the hybridization of molecular vibrational modes with cavity modes into polaritons, but…

Chemical Physics · Physics 2026-05-08 Robrecht M. A. Vergauwe , J. Jussi Toppari , Gerrit Groenhof

Chemical manifestations of strong light-matter coupling have been recently subject of intense experimental and theoretical studies. Here we review the present status of this field. Section 1 is an introduction to molecular polaritonics and…

Chemical Physics · Physics 2021-12-15 Tao E. Li , Bingyu Cui , Joseph E. Subotnik , Abraham Nitzan
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