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Recent experiments have observed that the chemical and photophysical properties of molecules can be modified inside an optical Fabry-Perot microcavity under collective vibrational strong coupling (VSC) conditions, and such modification is…

Mesoscale and Nanoscale Physics · Physics 2021-03-09 Tao E. Li , Abraham Nitzan , Joseph E. Subotnik

We demonstrate a new type of transition within the strong coupling regime, which alters the coupling mechanism in multimode cavities. We show that this transition drastically modifies the Hamiltonian describing the polaritons, such that…

Mesoscale and Nanoscale Physics · Physics 2021-06-16 M. Balasubrahmaniyam , C. Genet , T. Schwartz

The soft character of organic materials leads to strong coupling between molecular nuclear and electronic dynamics. This coupling opens the way to control charge transport in organic electronic devices by inducing molecular vibrational…

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…

Experiments show that light-matter strong coupling affects chemical properties, though the underlying mechanism remains unclear. We present an ab initio quantum electrodynamics coupled cluster method for the collective strong coupling…

Chemical Physics · Physics 2024-11-18 Matteo Castagnola , Marcus T. Lexander , Henrik Koch

Recent experiments have demonstrated that molecular polaritons, hybrid states of light and matter formed by the strong coupling between molecular electronic or vibrational excitations and an optical cavity, can substantially modify the…

Chemical Physics · Physics 2021-07-08 Nguyen Thanh Phuc

The influence of an electron-vibrational coupling on the laser control of electron transport through a molecular wire that is attached to several electronic leads is investigated. These molecular vibrational modes induce an effective…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Jörg Lehmann , Sigmund Kohler , Volkhard May , Peter Hänggi

Molecular polaritons, hybrid light-matter states resulting from strong cavity coupling of optical transitions, may provide a new route to guide chemical reactions. However, demonstrations of cavity-modified reactivity in clean benchmark…

Chemical Physics · Physics 2024-08-20 Liying Chen , Ashley P. Fidler , Alexander M. McKillop , Marissa L. Weichman

We theoretically demonstrate that chemical reaction rate constant can be significantly suppressed by coupling molecular vibrations with an optical cavity, exhibiting both the collective coupling effect and the cavity-frequency modification…

Chemical Physics · Physics 2022-01-26 Arkajit Mandal , Xinyang Li , Pengfei Huo

In the regime of strong coupling between molecular excitons and confined optical modes, the intra-molecular degrees of freedom are profoundly affected, leading to a reduced vibrational dressing of polaritons compared to bare electronically…

Mesoscale and Nanoscale Physics · Physics 2018-10-17 Javier del Pino , Florian A. Y. N. Schröder , Alex W. Chin , Johannes Feist , Francisco J. Garcia-Vidal

In this work, we investigate the influence of light-matter coupling on reaction dynamics and equilibrium properties of a single molecule inside an optical cavity. The reactive molecule is modeled using a triple-well potential, allowing two…

Chemical Physics · Physics 2025-07-21 Yaling Ke

We study the thermodynamic properties of a system of two-level dipoles that are coupled ultrastrongly to a single cavity mode. By using exact numerical and approximate analytical methods, we evaluate the free energy of this system at…

Quantum Physics · Physics 2020-09-30 Philipp Pilar , Daniele De Bernardis , Peter Rabl

In this work we investigate anharmonic vibrational polaritons formed due to strong light-matter interactions in an optical cavity between radiation modes and anharmonic vibrations beyond the long-wavelength limit. We introduce a…

Quantum Physics · Physics 2024-09-13 Dipti Jasrasaria , Arkajit Mandal , David R. Reichman , Timothy C. Berkelbach

Recent experiments showed that the chemical reaction rate is modified, either increased or decreased, by strongly coupling a nuclear vibration mode to the single mode of an optical cavity. Herein we investigate how the rate of an…

Chemical Physics · Physics 2020-05-04 Nguyen Thanh Phuc , Pham Quang Trung , Akihito Ishizaki

We investigate the regime of strong coupling of an ensemble of two-dimensional electrons to a single-mode cavity resonator. In particular, we realized such a regime of light-matter interaction by coupling the cyclotron motion of a…

Mesoscale and Nanoscale Physics · Physics 2018-12-26 Jiabao Chen , Oleksiy Zadorozhko , Denis Konstantinov

We study entanglement of the cavity modes in a double-cavity optomechanical system in strong-coupling regime. The system consists of two optomechanical systems coupled by a single photon hopping between them. With the radiation pressure of…

Optics · Physics 2018-08-29 Ding-Shan Liu , Pu-Tong Wang , Ming Jin , Miao Yin

Strong coupling of molecules to the vacuum field of micro cavities can modify the potential energy surfaces opening new photophysical and photochemical reaction pathways. While the influence of laser fields is usually described in terms of…

Quantum Physics · Physics 2016-02-08 Markus Kowalewski , Kochise Bennett , Shaul Mukamel

Strong light-matter coupling occurs when the coupling strength between a confined electromagnetic mode and a molecular resonance exceeds losses to the environment. The study of strong coupling has been motivated by applications such as…

Mesoscale and Nanoscale Physics · Physics 2022-04-27 Philip A. Thomas , Kishan S. Menghrajani , William L. Barnes

The development of reliable ab initio methods for light-matter strong coupling is necessary for a deeper understanding of molecular polaritons. The recently developed strong coupling quantum electrodynamics Hartree-Fock model (SC-QED-HF)…

Chemical Physics · Physics 2025-02-21 Matteo Castagnola , Rosario R. Riso , Yassir El Moutaoukal , Enrico Ronca , Henrik Koch

The standard description of cavity-modified molecular reactions typically involves a single (resonant) mode, while in reality the quantum cavity supports a range of photon modes. Here we demonstrate that as more photon modes are accounted…

Mesoscale and Nanoscale Physics · Physics 2020-07-15 Norah M. Hoffmann , Lionel Lacombe , Angel Rubio , Neepa T. Maitra
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