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We investigate the effects of coupling a quantum-magnetic cavity field to molecules. Our high-precision auxiliary-field quantum Monte Carlo calculations capture the effect of the cavity field in the presence of electron correlations, and…

Chemical Physics · Physics 2026-04-24 Lukas Weber , Leonardo dos Anjos Cunha , Johannes Flick , Shiwei Zhang

Optical microcavities and metallic nanostructures have been shown to significantly modulate the dynamics and spectroscopic response of molecular systems. We present a study of the nonlinear optics of a model consisting of $N$ anharmonic…

In this work, we present a proof-of-concept investigation of non-equilibrium chemical reaction dynamics at a molecule-electrode interface, driven out of equilibrium by an applied votage bias and mediated by a confined, enhanced vacuum…

Chemical Physics · Physics 2025-12-15 Yaling Ke

We describe a qualitatively new regime of cavity quantum electrodynamics, the super strong coupling regime. This regime is characterized by atom-field coupling strengths of the order of the free spectral range of the cavity, resulting in a…

Quantum Physics · Physics 2009-11-13 D. Meiser , P. Meystre

Strong coupling between cavity photons and molecular vibrations can lead to the formation of vibron-polaritons. In a recent experiment with PVAc molecules in a metal-metal microcavity [A.Shalabney et al., Ang.Chem.Int.Ed. 54 7971 (2015)],…

Optics · Physics 2016-08-31 Artem Strashko , Jonathan Keeling

Emission and absorption spectra of molecular films are impacted by low-frequency molecular vibrations. These vibrations define the linewidths of the absorption and emission spectral peaks, as well as the Stokes shift. In cavities that use a…

Quantum Physics · Physics 2025-12-02 Vladislav Yu. Shishkov

In this work, we present a field-theoretic model of strongly coupled photonic molecules composed of interacting dielectric cavities in a closed, perfect-electric-conductor domain. Within this setting, we treat the resulting inter-mode…

Optics · Physics 2025-12-17 Kevin C. Smith , Austin G. Nixon , David J. Masiello

Harnessing strong light-matter interactions to control chemical reactions in confined electromagnetic fields offers a promising route toward deepening our understanding of chemical dynamics at the collective quantum-mechanical level, with…

Chemical Physics · Physics 2026-01-21 Yaling Ke

We theoretically examine the effect of the coupling of the transport electrons to a vibrational mode of the molecule on the ac linear-response conductance of molecular junctions. Representing the molecule by a single electronic state, we…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 A. Ueda , O. Entin-Wohlman , A. Aharony

Here we present a fundamental study on how the ground-state chemical reactivity of a molecule can be modified in a QED scenario, i.e., when it is placed inside a cavity and there is strong coupling between the cavity field and vibrational…

Quantum Physics · Physics 2019-06-25 Javier Galego , Clàudia Climent , Francisco J. Garcia-Vidal , Johannes Feist

Accurate rovibrational molecular models are employed to gain insight in high-resolution into the collective effects and intermolecular processes arising when molecules in the gas phase are interacting with a resonant infrared (IR) radiation…

Chemical Physics · Physics 2025-01-20 Tamás Szidarovszky

Strong coupling between light and matter is possible with a variety of organic materials. In contrast to the simpler inorganic case, organic materials often have a complicated spectrum, with vibrationally dressed electronic transitions.…

Mesoscale and Nanoscale Physics · Physics 2018-02-02 M. Ahsan Zeb , Peter G. Kirton , Jonathan Keeling

We develop a quantum mechanical formalism to treat the strong coupling between an electromagnetic mode and a vibrational excitation of an ensemble of organic molecules. By employing a Bloch-Redfield-Wangsness approach, we show that the…

Mesoscale and Nanoscale Physics · Physics 2015-05-26 Javier del Pino , Johannes Feist , Francisco J. Garcia-Vidal

The rate of non-radiative decay between two molecular electronic states is succinctly described by the energy gap law, which suggests an approximately-exponential dependence of the rate on the electronic energy gap. Here, we inquire whether…

Chemical Physics · Physics 2023-04-14 Yong Rui Poh , Sindhana Pannir-Sivajothi , 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…

In the last decade, much theoretical research has focused on studying the strong coupling between organic molecules (or quantum emitters, in general) and light modes. The description and prediction of polaritonic phenomena emerging in this…

Recently, we predicted theoretically that in cavities that support several longitudinal modes, strong coupling can occur in very different manners, depending on the system parameters. Distinct longitudinal cavity modes are either entangled…

Quantum Physics · Physics 2023-10-10 M. Godsi , A. Golombek , M. Balasubrahmaniyam , T. Schwartz

The energetic positions of molecular electronic states at molecule/electrode interfaces are crucial factors for determining the transport and optoelectronic properties of molecular junctions. Strong light--matter coupling offers a potential…

Mesoscale and Nanoscale Physics · Physics 2023-05-10 Kuniyuki Miwa , Souichi Sakamoto , Akihito Ishizaki

Optical nonlinearities - how light-matter interactions are influenced by previous interactions with photons, are key resources in the contemporary photonics toolbox, relevant to quantum gate operations and all-optical switches. Optical…

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
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