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Related papers: Molecular Plasmonics: strong coupling at the low m…

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Several years ago, it was shown that strong coupling between an electronic transition in organic molecules and a resonant photonic structure can modify the electronic landscape of the molecules and affect their chemical behavior. Since…

Plasmonic cavities can be used to control the atom-photon coupling process at the nanoscale, since they provide ultrahigh density of optical states in an exceptionally small mode volume. Here we demonstrate strong coupling between molecular…

Strong coupling of two-dimensional semiconductor excitons with plasmonic resonators enables control of light-matter interaction at the subwavelength scale. Here we develop strong coupling in plasmonic nano-gap resonators that allow…

Plasmons are fundamental excitations of metals which can be described in terms of electron dynamics, or in terms of the electromagnetic fields associated with them. In this work we develop a quantum description of plasmons in a double layer…

Mesoscale and Nanoscale Physics · Physics 2023-08-31 Luis Brey , H. A. Fertig

We study the excited states of the pairing Hamiltonian providing an expansion for their energy in the strong coupling limit. To assess the role of the pairing interaction we apply the formalism to the case of a heavy atomic nucleus. We show…

Nuclear Theory · Physics 2015-06-16 M. B. Barbaro , R. Cenni , A. Molinari , M. R. Quaglia

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

We discuss the strong interaction regime of the nonlinear Landau-Zener problem coming up at coherent photo- and magneto-association of ultracold atoms. We apply a variational approach to an exact third-order nonlinear differential equation…

Quantum Gases · Physics 2009-09-04 R. Sokhoyan , H. Azizbekyan , C. Leroy , A. Ishkhanyan

The paper is devoted to the effects of superconducting pairing in small metallic grains. It turns out that at strong superconducting coupling and in the limit of large Thouless conductance one can explicitly determine the low energy…

Strongly Correlated Electrons · Physics 2009-02-06 Emil A. Yuzbashyan , Alexander A. Baytin , Boris L. Altshuler

The nonlinear optical dynamics of nano-materials comprised of plasmons interacting with quantum emitters is investigated by a self-consistent model based on the coupled Maxwell-Liouville-von Neumann equations. It is shown that ultra-short…

Mesoscale and Nanoscale Physics · Physics 2013-12-04 Maxim Sukharev , Tamar Seideman , Robert J. Gordon , Adi Salomon , Yehiam Prior

Using an exact expression for the domain wall tension in a supersymmetric model we show that a spectrum crossover takes place in passing from weak to strong coupling. In the weak coupling regime elementary excitations are the lightest…

High Energy Physics - Theory · Physics 2013-05-30 M. Shifman , M. Voloshin

Realizing strong light-matter interactions between individual 2-level systems and resonating cavities in atomic and solid state systems opens up possibilities to study optical nonlinearities on a single photon level, which can be useful for…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Gülis Zengin , Martin Wersäll , Sara Nilsson , Tomasz J. Antosiewicz , Mikael Käll , Timur Shegai

There is an increasing scientific and technological interest on the design and implementation of nanoscale sources of quantum light. Here, we investigate the quantum statistics of the light scattered from a plasmonic nanocavity coupled to a…

Mesoscale and Nanoscale Physics · Physics 2019-03-14 R. Sáez-Blázquez , J. Feist , A. I. Fernández-Domínguez , F. J. García-Vidal

Under the local plasmonic excitation, the Raman images of a single molecule can now reach sub-nanometer resolution. We report here a theoretical description of the interaction between a molecule and a highly confined plasmonic field. It is…

Mesoscale and Nanoscale Physics · Physics 2015-08-06 Sai Duan , Guangjun Tian , Yongfei Ji , Jiushu Shao , Zhenchao Dong , Yi Luo

An almost ideal thresholdless laser can be realized in the strong-coupling regime of light-matter interaction, with Poissonian fluctuations of the field at all pumping powers and all intensities of the field. This ideal scenario is thwarted…

Quantum Physics · Physics 2012-09-20 F. P. Laussy , E. del Valle , J. J. Finley

Strong coupling of molecular vibrations with light creates polariton states, enabling control over many optical and chemical properties. However, the near-field signatures of strong coupling are difficult to map as most cavities are closed…

Many molecular, quantum-dot, and optomechanical nanocavity-QED systems demonstrate strong nonlinear interactions between electrons, photons, and phonon (vibrational) modes. We show that such systems can be described by a universal model in…

Quantum Physics · Physics 2022-05-25 Mikhail Tokman , Maria Erukhimova , Qianfan Chen , Alexey Belyanin

Optical half-wave microresonators enable to control the optical mode density around a quantum system and thus to modify the temporal emission properties. If the coupling rate exceeds the damping rate, strong coupling between a…

We consider single band of conduction electrons interacting with displacements of the transitional ions. In the classical regime strong enough coupling transforms the harmonic elastic energy for an ion to the one of the well with two deep…

Superconductivity · Physics 2015-06-04 Lev P. Gor'kov

A soluble model of weakly coupled "molecular" and "nuclear" Hamiltonians is studied in order to exhibit explicitly the mechanism leading to the enhancement of fusion probability in case of a narrow near-threshold nuclear resonance. We,…

Materials Science · Physics 2007-05-23 A. K. Motovilov , W. Sandhas , V. B. Belyaev

We study coherent transport in a system of a periodic linear chain of quantum dots placed between two parallel quantum wires. We show that resonant-tunneling conductance between the wires exhibits a Rabi splitting of the resonance peak as a…

Mesoscale and Nanoscale Physics · Physics 2019-04-15 L. S. Petrosyan , T. V. Shahbazyan