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We predict a new electron pair-tunneling (PT) resonance in non-linear transport through quantum dots with positive charging energies exceeding the broadening due to thermal and quantum fluctuations. The PT resonance shows up in the…

Mesoscale and Nanoscale Physics · Physics 2013-01-10 M. Leijnse , M. R. Wegewijs , M. H. Hettler

Over the past 15 years there has been an ongoing debate regarding the influence of the photonic environment on Forster resonance energy transfer (FRET). Disparate results corresponding to enhancement, suppression and null effect of the…

Optics · Physics 2018-08-15 Cristian L. Cortes , Zubin Jacob

We develop a detailed theoretical model of photo-induced proton-coupled electron transfer (PPCET) processes, which are at the basis of solar energy harvesting in biological systems and photovoltaic materials. Our model enables to analyze…

Chemical Physics · Physics 2021-04-13 Jiaji Zhang , Raffaele Borrelli , Yoshitaka Tanimura

The aim of this paper is to develop a mathematical framework for opto-elastography. In opto-elastography, a mechanical perturbation of the medium produces a decorrelation of optical speckle patterns due to the displacements of optical…

Mathematical Physics · Physics 2013-06-19 Habib Ammari , Emmanuel Bossy , Josselin Garnier , Wenjia Jing , Laurent Seppecher

Microscopic theory of the nonradiative energy transfer in a system of III-V semiconductor quantum dots is elaborated in our work. The energy transfer both due to direct Coulomb and due to exchange interactions between two quantum dots…

Mesoscale and Nanoscale Physics · Physics 2017-11-22 O. P. Chikalova-Luzina , D. M. Samosvat , V. M. Vyatkin , G. G. Zegrya

We study the energy-transfer rate for electrons in a double-quantum-well structure, where the layers are coupled through screened Coulomb interactions. The energy-transfer rate between the layers (similar to the Coulomb drag effect in which…

Condensed Matter · Physics 2009-11-07 R. T. Senger , B. Tanatar

Excitation energy transfer (EET) is one of the most important processes in both natural and artificial chemical systems including, for example, photosynthetic complexes and organic solar cells. The EET rate, however, is strongly suppressed…

Chemical Physics · Physics 2018-02-27 Nguyen Thanh Phuc , Akihito Ishizaki

We perform combined resistivity and compressibility studies of two-dimensional hole and electron systems which show the apparent metal-insulator transition - a crossover in the sign of dR/dT with changing density. No thermodynamic anomalies…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 G. D. Allison , E. A. Galaktionov , A. K. Savchenko , S. S. Safonov , M. M. Fogler , M. Y. Simmons , D. A. Ritchie

Energy transfer between quantum systems can either be achieved through an effective unitary interaction or through the generation of entanglement. This observation defines two types of energy exchange: unitary and correlation energy. Here…

We present an experimental study of energy transfer in a thermal vapor of atomic rubidium. We measure the fluorescence spectrum in the visible and near infra-red as a function of atomic density using confocal microscopy. At low density we…

We report the enhanced optical transmission in the coherent, off-resonant excitation of Rydberg atom gases at room temperature via a two-photon process. Here thermal resonance-enhanced transparency (TRET) is induced when the detuning of the…

This paper focuses on wireless energy transfer (WET) to a pair of low complex energy receivers (ER), by only utilizing received signal strength indicator (RSSI) values that are fed back from the ERs to the energy transmitter (ET). Selecting…

Information Theory · Computer Science 2018-03-13 Chanaka Singhabahu , Tharaka Samarasinghe , Samith Abeywickrama , Chau Yuen

Molecular structures with multiple donor, bridge, or acceptor units can display quantum interference effects that influence electron and energy transfer (ET and EnT) rates. Recent experiments found a 4- to 5-fold increase in ET rates for…

Chemical Physics · Physics 2025-06-27 Hanggai Nuomin , Feng-Feng Song , Peng Zhang , David N. Beratan

The in-plane magnetoconductance of the strongly interacting two-dimensional electron system in a silicon MOSFET (metal-oxide-semiconductor-field-effect transistor) exhibits an unmistakeable kink at a well-defined electron density, $n_k$.…

Strongly Correlated Electrons · Physics 2019-04-12 Shiqi Li , Qing Zhang , Pouyan Ghaemi , M. P. Sarachik

Ultrafast reaction processes take place when resonant features of nonlinear model systems are taken into account. In the targeted energy or electron transfer dimer model this is accomplished through the implementation of nonlinear…

Chemical Physics · Physics 2024-07-25 N. Almazova , S. Aubry , G. P. Tsironis

We show that as an electron transfers between closed-shell molecular fragments at large separation, the exact correlation potential of time-dependent density functional theory gradually develops a step and peak structure in the bonding…

Chemical Physics · Physics 2014-02-11 Johanna I. Fuks , Peter Elliott , Angel Rubio , Neepa T. Maitra

Electric-field-controlled F\"orster resonance energy transfer (FRET) between Rydberg helium (He) atoms and ground-state ammonia (NH$_3$) molecules has been studied at translational temperatures below 100 mK. The experiments were performed…

Atomic Physics · Physics 2022-11-21 J. Zou , S. D. Hogan

Near-field radiative heat transfer is investigated in composite media including nanoparticles. By modeling pair interactions only, the effective thermal conductivity due to near field radiation is calculated based on a thermal nodes model.…

Materials Science · Physics 2008-12-18 Sebastian Volz , Gilberto Domingues

We study the interplay between two environmental influences on excited state energy transfer in photosynthetic light harvesting complexes, namely, vibrationally assisted energy transfer (VAET) and environment-assisted quantum transport…

Biological Physics · Physics 2022-03-28 Zeng-Zhao Li , Liwen Ko , Zhibo Yang , Mohan Sarovar , K. Birgitta Whaley

We calculate the rate of non-radiative, Forster-type energy transfer (ET) from an excited epitaxial quantum well (QW) to a proximal monolayer of semiconductor nanocrystal quantum dots (QDs). Different electron-hole configurations in the QW…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 S. Kos , M. Achermann , V. I. Klimov , D. L. Smith