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Intermolecular bonds are weak compared to covalent bonds, but they are strong enough to influence the properties of large molecular systems. In this work, we investigate how strong light-matter coupling inside an optical cavity can modify…

Chemical Physics · Physics 2021-03-17 Tor S. Haugland , Christian Schäfer , Enrico Ronca , Angel Rubio , Henrik Koch

Angle-resolved photoemission spectra of alkali metals exhibit a puzzling, non-dispersing peak in the apparent density of states near the Fermi energy. We argue that the holes left behind a significant fraction of photoejected electrons are…

Strongly Correlated Electrons · Physics 2024-02-01 Roman Dmitriev , Jenny Green , Vassiliy Lubchenko

The generation of nonclassical light states bears a paramount importance in quantum optics and is largely relying on the interaction between intense laser pulses and nonlinear media. Recently, electron beams, such as those used in ultrafast…

Optics · Physics 2025-09-23 Valerio Di Giulio , F. Javier García de Abajo

The recent development of hybrid cQED allows one to study how cavity photons interact with a system driven out of equilibrium by fermionic reservoirs. We study here one of the simplest combination : a double quantum dot coupled to a single…

Mesoscale and Nanoscale Physics · Physics 2014-06-17 J. J. Viennot , M. R. Delbecq , M. C. Dartiailh , A. Cottet , T. Kontos

Cavity quantum electrodynamics (CQED) investigates the interaction between light confined in a resonator and particles, such as atoms. In recent years, CQED experiments have reached the optical domain resulting in many interesting…

Quantum Physics · Physics 2020-12-14 Michael Scheucher , Jürgen Volz , Arno Rauschenbeutel

The quantum thermodynamical properties of (quasi-normal) overdamped electromagnetic modes (eddy currents) are investigated in the context of the magnetic Casimir-Polder interaction. The role of the material response in terms of spatially…

Quantum Physics · Physics 2020-01-15 Daniel Reiche , Kurt Busch , Francesco Intravaia

We address the fundamental question whether or not it is possible to achieve conditions under which the coupling of a single dipole to a strongly confined electromagnetic vacuum can result in non-perturbative corrections to the dipole's…

Quantum Physics · Physics 2023-07-10 Rocío Sáez-Blázquez , Daniele de Bernardis , Johannes Feist , Peter Rabl

The rearrangement of single-particle degrees of freedom of a dilute two-dimensional electron gas in the vicinity of the quantum critical point is examined within a microscopic approach. It is shown that just beyond the critical point, the…

Strongly Correlated Electrons · Physics 2007-05-23 M. Baldo , V. V. Borisov , J. W. Clark , V. A. Khodel , M. V. Zverev

In recent years tremendous progress in the field of light-matter interactions has unveiled that strong coupling to the modes of an optical cavity can alter chemistry even at room temperature. Despite these impressive advances, many…

Chemical Physics · Physics 2020-05-20 Dominik Sidler , Michael Ruggenthaler , Heiko Appel , Angel Rubio

We use a non-Markovian master equation to describe the transport of Coulomb interacting electrons through an electromagnetic cavity with one quantized photon mode. The central system is a finite parabolic quantum wire that is coupled weakly…

Mesoscale and Nanoscale Physics · Physics 2012-03-15 Vidar Gudmundsson , Olafur Jonasson , Chi-Shung Tang , Hsi-Sheng Goan , Andrei Manolescu

Quantum-electrodynamical density-functional theory (QEDFT) provides a promising avenue for exploring complex light-matter interactions in optical cavities for real materials. Similar to conventional density-functional theory, the Kohn-Sham…

Computational Physics · Physics 2024-02-16 I-Te Lu , Michael Ruggenthaler , Nicolas Tancogne-Dejean , Simone Latini , Markus Penz , Angel Rubio

The interaction between quantum light and matter is being intensively studied for systems that are enclosed in high-$Q$ cavities which strongly enhance the light-matter coupling. However, for many applications, cavities with lower…

Quantum Physics · Physics 2022-06-29 H. Rose , O. V. Tikhonova , T. Meier , P. R. Sharapova

A major trend within the field of cavity QED is to boost the interaction strength between the cavity field and the atomic internal degrees of freedom of the trapped atom by decreasing the mode volume of the cavity. In such systems, it is…

Quantum Physics · Physics 2018-08-29 Lukas Neumeier , Darrick E. Chang

The quantum vacuum constitutes a fascinating medium of study, in particular since near-future laser facilities will be able to probe the nonlinear nature of this vacuum. There has been a large number of proposed tests of the low-energy,…

High Energy Physics - Theory · Physics 2010-04-23 Mattias Marklund , Joakim Lundin

Plasmonics is a rapid growing field, which has enabled both fundamental science and inventions of various quantum optoelectronic devices. An accurate and efficient method to calculate the optical response of metallic structures with feature…

Mesoscale and Nanoscale Physics · Physics 2022-01-21 Qi-Hong Hu , Ren-Feng Liu , Xin-Yu Shan , Xuan-Ren Chen , Hong Yang , Peng Kong , Xiao-Yun Wang , Ke Deng , Xiangyang Peng , Dong Xian , Yong-Gang Huang

The interplay of quantum fluctuations with nonlinear dynamics is a central topic in the study of open quantum systems, connected to fundamental issues (such as decoherence and the quantum-classical transition) and practical applications…

Quantum Physics · Physics 2009-11-13 Michael A. Armen , Hideo Mabuchi

The theory relevant to the study of matter in equilibrium with the radiation field is thermal quantum electrodynamics (TQED). We present a formulation of the theory, suitable for non relativistic fluids, based on a joint functional integral…

Quantum Physics · Physics 2009-11-13 Pascal R. Buenzli , Philippe A. Martin , Marc D. Ryser

Cavity quantum electrodynamics allows one to study the interaction between light and matter at the most elementary level. The methods developed in this field have taught us how to probe and manipulate individual quantum systems like atoms…

Mesoscale and Nanoscale Physics · Physics 2016-10-10 J. J. Viennot , M. R. Delbecq , L. E. Bruhat , M. C. Dartiailh , M. Desjardins , M. Baillergeau , A. Cottet , T. Kontos

Strong light-matter interactions can be exploited to modify properties of quantum materials both in and out of thermal equilibrium. Recent studies suggest electromagnetic fields in photonic structures can hybridize with condensed matter…

We explore theoretically how the coupling to cavity vacuum fields affects the electron transport in quantum conductors due to the counter-rotating-wave terms of light-matter interaction. We determine the quantum conductance in terms of the…

Mesoscale and Nanoscale Physics · Physics 2023-01-31 Geva Arwas , Cristiano Ciuti