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Long-range energy transfer in organic molecules has been experimentally obtained by strongly coupling their electronic excitations to a confined electromagnetic cavity mode. Here, we shed light into the polariton-mediated mechanism behind…

Quantum Physics · Physics 2018-07-30 R. Sáez-Blázquez , J. Feist , A. I. Fernández-Domínguez , F. J. García-Vidal

An effective Hamiltonian is considered for hydrogen bonding between two molecules due to the quantum mechanical interaction between the orbitals of the H-atom and the donor and acceptor atoms in the molecules. The Hamiltonian acts on two…

Chemical Physics · Physics 2012-04-03 Ross H. McKenzie

We show that atoms or molecules subject to fields that couple their internal and translational (momentum) states may undergo a crossover from randomization (diffusion) to strong localization (sharpening) of their momentum distribution. The…

Soft Condensed Matter · Physics 2013-05-29 Nir Bar-Gill , Gershon Kurizki

Transport through a molecule sandwiched between two metallic electrodes and coupled to a mesoscopic ring that threads a magnetic flux $\phi$ is studied. An analytic approach for the electron transport through the molecular bridge system is…

Mesoscale and Nanoscale Physics · Physics 2010-01-10 Santanu K. Maiti

In this work we study the electromagnetic response induced by axions in a magnetized plasma, focusing specifically on characterizing energy transfer and energy losses from the ambient axion field in highly inhomogeneous and strongly varying…

High Energy Physics - Phenomenology · Physics 2026-03-31 Fabrizio Corelli , Estanis Utrilla Ginés , Enrico Cannizzaro , Andrea Caputo , Samuel J. Witte

We show that individual vibrational modes in single-molecule junctions with asymmetric molecule-lead coupling can be selectively excited by applying an external bias voltage. Thereby, a non-statistical distribution of vibrational energy can…

Mesoscale and Nanoscale Physics · Physics 2017-09-13 R. Volkovich , R. Härtle , M. Thoss , U. Peskin

Interatomic Coulombic Electron Capture (ICEC) is an environment-mediated process in which a free electron attaches to a species by transferring excess energy to a neighbor. While previous theoretical investigations assumed fixed nuclei,…

Hybrid ion-atom systems provide an excellent platform for studies of state-resolved quantum chemistry at low temperatures, where quantum effects may be prevalent. Here we study theoretically the process of vibrational relaxation of an…

Atomic Physics · Physics 2020-04-01 Krzysztof Jachymski , Florian Meinert

An interaction of electromagnetic field with a nanostructure composed of two quantum dots is studied theoretically. An effect of a resonant electron transfer between the localized low-lying states of quantum dots is predicted. A necessary…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Leonid A. Openov

Formation of swift heavy ion tracks requires extremely fast energy transfer between excited electrons and a lattice. However, electron-phonon energy exchange is too slow, as known from laser-irradiation experiments and calculations. We…

Materials Science · Physics 2022-06-14 Nikita Medvedev , Alexander E. Volkov

We study a general problem of the translational/rotational/vibrational/electronic dynamics of a diatomic molecule exposed to an interaction with an arbitrary external electromagnetic field. The theory developed in this paper is relevant to…

Quantum Physics · Physics 2016-09-28 Milan Sindelka , Nimrod Moiseyev

We explore whether localized surface plasmon polariton modes can transfer heat between molecules placed in the hot spot of a nanoplasmonic cavity through optomechanical interaction with the molecular vibrations. We demonstrate that external…

Quantum Physics · Physics 2019-07-16 S. Mahmoud Ashrafi , R. Malekfar , A. R. Bahrampour , Johannes Feist

Partial atomic charges are a useful and intuitive concept for understanding molecular properties and chemical reaction mechanisms, showing how changes in molecular geometry can affect the flow of electronic charge within a molecule.…

Chemical Physics · Physics 2022-01-14 Ryan J. MacDonell , Serguei Patchkovskii , Michael S. Schuurman

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…

Understanding and controlling the flow of heat is a major challenge in nanoelectronics. When a junction is driven out of equilibrium by light or the flow of electric charge, the vibrational and electronic degrees of freedom are, in general,…

Mesoscale and Nanoscale Physics · Physics 2011-06-29 Daniel R. Ward , David A. Corley , James M. Tour , Douglas Natelson

The geometry-dependent energy transfer rate from an electrically pumped inorganic semiconductor quantum well into an organic molecular layer is studied theoretically. We focus on F\"orster-type nonradiative excitation transfer between the…

Mesoscale and Nanoscale Physics · Physics 2018-04-20 Judith Specht , Eike Verdenhalven , Björn Bieniek , Patrick Rinke , Andreas Knorr , Marten Richter

We investigate on the same footing the time-dependent electronic transport properties and vibrational dynamics of a molecular junction. We show that fluctuations of both the molecular vibron displacement and the electronic current across…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 Rémi Avriller , R Souto , A. Martin-Rodero , A Yeyati

We describe how to treat the interaction of travelling electrons with localised vibrational modes in nanojunctions. We present a multichannel scattering technique which can be applied to calculate the transport properties for realistic…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 H. Ness , A. J. Fisher

Radiation damage prevents the ability to obtain images from individual molecules. We suggest that this problem can be avoided for organic molecules by placing them in close proximity with a metallic surface. The molecules will then quickly…

Materials Science · Physics 2007-05-23 B. Barbiellini , P. M. Platzman

A simple model to predict the directionality of vibrational energy flow at molecular level is presented. This model is based on a vibrational energy propagation analysis using ab intio molecular dynamics and the Fukui function and local…

Biomolecules · Quantitative Biology 2016-04-19 German Miño-Galaz , Junia Melin , Gonzalo Gutierrez , Felipe Bravo , Valeria Marquez , Fernando Gonzalez-Nilo
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