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Vibrationally inelastic electron transport through a flexible molecular junction is investigated. The study is based on a mechanistic model for a biphenyl molecule between two metal electrodes. Employing methods from electron-molecule…

介观与纳米尺度物理 · 物理学 2023-07-26 Martin Cizek , Michael Thoss , Wolfgang Domcke

Quantum batteries, which use quantum systems to store and deliver energy, are promising for next-generation energy storage. However, optimizing charging strategies and understanding the interplay between dissipation and quantum coherence…

量子物理 · 物理学 2026-05-14 Hang Zhou , Jia-Wei Huang , Chuan-Cun Shu

Statistics of tunneling rates in the presence of chaotic classical dynamics is discussed on a realistic example: a hydrogen atom placed in parallel uniform static electric and magnetic fields, where tunneling is followed by ionization along…

混沌动力学 · 物理学 2009-11-10 Dominique Delande , Jakub Zakrzewski

A quantum shuttle is an archetypical nanoelectromechanical device, where the mechanical degree of freedom is quantized. Using a full-scale numerical solution of the generalized master equation describing the shuttle, we have recently shown…

介观与纳米尺度物理 · 物理学 2016-08-16 A. Donarini , T. Novotný , A. -P. Jauho

Coherence and tunneling play central roles in quantum phenomena. In a tunneling event, the time that a particle spends inside the barrier has been fiercely debated. This problem becomes more complex when tunneling repeatedly occurs back and…

Exploiting physical processes for fast and energy-efficient computation bears great potential in the advancement of modern hardware components. This paper explores non-linear charge tunneling in nanoparticle networks, controlled by external…

计算物理 · 物理学 2024-02-20 Evan Wonisch , Jonas Mensing , Andreas Heuer

Systems out of equilibrium, in stationary as well as in nonstationary regimes, display a linear response to energy impulses simply expressed as the sum of two specific temporal correlation functions. There is a natural interpretation of…

统计力学 · 物理学 2010-06-16 Marco Baiesi , Christian Maes , Bram Wynants

We analyzed theoretically localized charge relaxation in a double quantum dot (QD) system coupled with continuous spectrum states in the presence of localized electrons Coulomb interaction in a single QD. We have found that for a wide range…

介观与纳米尺度物理 · 物理学 2012-07-13 V. N. Mantsevich , N. S. Maslova , P. I. Arseyev

Cell migration is a fundamental process involved in physiological phenomena such as the immune response and morphogenesis, but also in pathological processes, such as the development of tumor metastasis. These functions are effectively…

细胞行为 · 定量生物学 2018-12-26 Christèle Etchegaray , Nicolas Meunier

Molecule-electrode interfaces in molecular electronic junctions are prone to chemical reactions, structural changes, and localized heating effects caused by electric current. These can be exploited for device functionality or may be…

介观与纳米尺度物理 · 物理学 2020-04-22 Riley J. Preston , Vincent F. Kershaw , Daniel S. Kosov

The spontaneous switching of a quantum particle between the wells of a double-well potential is a phenomenon of general interest to physics and chemistry. It was broadly believed that the switching rate decreases steadily with the size of…

量子物理 · 物理学 2025-10-14 Qile Su , Rodrigo G. Cortiñas , Jayameenakshi Venkatraman , Shruti Puri

We present a theoretical investigation of thermal fluctuation statistics in a molecular motor. Energy transfer in the motor is described using a multidimensional discrete master equation with nearest-neighbor hopping. In this theory, energy…

统计力学 · 物理学 2014-01-07 K. J. Challis , M. W. Jack

We investigate the distribution of waiting times between electrons emitted from a periodically driven single-electron turnstile. To this end, we develop a scheme for analytic calculations of the waiting time distributions for arbitrary…

介观与纳米尺度物理 · 物理学 2017-07-26 Elina Potanina , Christian Flindt

Tunneling of a particle through a potential barrier remains one of the most remarkable quantum phenomena. Owing to advances in laser technology, electric fields comparable to those electrons experience in atoms are readily generated and…

Fluctuations in stochastic systems are usually characterized by the full counting statistics, which analyzes the distribution of the number of events taking place in the fixed time interval. In an alternative approach, the distribution of…

统计力学 · 物理学 2018-01-24 Krzysztof Ptaszynski

We consider a spatially distributed demand for electrical vehicle recharging, that must be covered by a fixed set of charging stations. Arriving EVs receive feedback on transport times to each station, and waiting times at congested ones,…

最优化与控制 · 数学 2024-04-02 Fernando Paganini , Andres Ferragut

We consider the counting statistics of electron transport through a double quantum dot with special emphasis on the dephasing induced by a nearby charge detector. The double dot is embedded in a dissipative enviroment, and the presence of…

介观与纳米尺度物理 · 物理学 2009-01-08 Alessandro Braggio , Christian Flindt , Tomas Novotny

The basic quantum mechanical relation between fluctuations of transported charge and current correlators is discussed. It is found that, as a rule, the correlators are to be time-ordered in an unusual way. Instances where the difference…

介观与纳米尺度物理 · 物理学 2015-05-13 S. Bachmann , G. M. Graf , G. B. Lesovik

Starting from a classical mechanics of a ``colloid particle'' and $N$ ``water molecules'', we study effective stochastic dynamics of the particle which jumps between deep potential wells. We prove that the effective transition probability…

统计力学 · 物理学 2007-06-08 Hal Tasaki

In this paper, a static non-cooperative game formulation of the problem of distributed charging in electrical vehicle (EV) networks is proposed. This formulation allows one to model the interaction between several EV which are connected to…

计算机科学与博弈论 · 计算机科学 2015-09-25 Olivier Beaude , Samson Lasaulce , Martin Hennebel