English
Related papers

Related papers: An All-Electric Single-Molecule Motor

200 papers

Transport properties of concentrated electrolytes have been analyzed using classical molecular dynamics simulations with the algorithms and parameters typical of simulations describing complex electrokinetic phenomena. The electrical…

Materials Science · Physics 2015-03-17 Carles Calero , Jordi Faraudo , Marcel Aguilella-Arzo

The conductance through a molecular device including electron-electron and electron-phonon interactions is calculated using the Numerical Renormalization Group method. At low temperatures and weak electron-phonon coupling the properties of…

Strongly Correlated Electrons · Physics 2007-05-23 P. S. Cornaglia , H. Ness , D. R. Grempel

We put forward a new proposal of designing charge-based logic devices considering a cyclic molecule that can be programmed and re-programmed for different functional logical operations and suitably engineered for data storage as well. The…

Mesoscale and Nanoscale Physics · Physics 2018-09-19 Moumita Patra , Santanu K. Maiti

We demonstrate a device geometry for single-molecule electronics experiments that combines both the ability to adjust the spacing between the electrodes mechanically and the ability to shift the energy levels in the molecule using a gate…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 A. R. Champagne , A. N. Pasupathy , D. C. Ralph

Molecular electronics is a fascinating area of research with the ability to tune device properties by a chemical tailoring of organic molecules. However, molecular electronics devices often suffer from dispersion and lack of reproducibility…

Mesoscale and Nanoscale Physics · Physics 2013-02-11 Nicolas Clement , David Guerin , Stephane Pleutin , Sylvie Godey , Dominique Vuillaume

The transport by molecular motors along cytoskeletal filaments is studied theoretically in the presence of static defects. The movements of single motors are described as biased random walks along the filament as well as binding to and…

Biological Physics · Physics 2009-05-08 Yan Chai , Reinhard Lipowsky , Stefan Klumpp

This study presents an analysis of a quantum mechanical formulation of the Carnot like cycle using diatomic molecules, i.e., the Morse oscillator, as the working substance. The generalized model with an arbitrary one dimensional potential…

Quantum Physics · Physics 2024-01-25 E. O. Oladimeji , T. T. Ibrahim , A. N. Ikot , J. D. Koffa , V. T. Idundun , E. C. Umeh , J. O. Audu

A microscopic physical analysis of the various resistive effects involved in the electronic detection of single biomolecules in a nanopore of a MoS2 nanoribbon is presented. The analysis relies on a combined experimental-theoretical…

Mesoscale and Nanoscale Physics · Physics 2020-04-23 Mingye Xiong , Michael Graf , Nagendra Athreya , Aleksandra Radenovic , Jean-Pierre Leburton

This article covers few selected aspects of quantum theory of molecular rotations and vibrations. Triatomic molecules are the simplest systems, which show qualitative characteristics of larger polyatomic molecules. On the minimal example of…

Chemical Physics · Physics 2022-03-18 Emil J. Zak

Molecular robotics is challenging, so it seems best to keep it simple. We consider an abstract molecular robotics model based on simple folding instructions that execute asynchronously. Turning Machines are a simple 1D to 2D folding model,…

Robotics · Computer Science 2022-01-26 Irina Kostitsyna , Cai Wood , Damien Woods

We provide a theory of the deflection of polar and non-polar rotating molecules by inhomogeneous static electric field. Rainbow-like features in the angular distribution of the scattered molecules are analyzed in detail. Furthermore, we…

Chemical Physics · Physics 2015-05-20 E. Gershnabel , I. Sh. Averbukh

Molecular motors drive mechanical motions utilizing the free energy liberated from chemical reactions such as ATP hydrolysis. Although it is essential to know the efficiency of this free energy transduction, it has been a challenge due to…

Electron energy loss spectroscopy is consolidating as a powerful tool to explore electronic (as well as vibrational) excitations of matter, including molecules. Performed in a scanning transmission electron microscope, this technique is…

Chemical Physics · Physics 2021-03-05 Ciro A. Guido , Enzo Rotunno , Matteo Zanfrognini , Stefano Corni , Vincenzo Grillo

Single-molecule electronics has been envisioned as the ultimate goal in the miniaturisation of electronic circuits. While the aim of incorporating single-molecule junctions into modern technology still proves elusive, recent developments in…

Mesoscale and Nanoscale Physics · Physics 2017-11-22 Jakub K. Sowa , Jan A. Mol , G. Andrew D. Briggs , Erik M. Gauger

We present a quaternion inspired formalism specifically developed to evaluate the intensity of the electrical current that traverses a single molecule connected to two semi-infinite electrodes as the applied external bias is varied. The…

Mesoscale and Nanoscale Physics · Physics 2012-01-18 Augusto C. L. Moreira , Celso P. de Melo

Inducing and controlling the ultrafast molecular rotational dynamics using shaped laser fields is essential in numerous applications. Several approaches exist that allow following the coherent molecular motion in real-time, including…

Quantum tracking control aims to identify applied fields to steer the expectation values of particular observables along desired paths in time. The associated temporal fields can be identified by inverting the underlying dynamical equations…

Quantum Physics · Physics 2018-10-31 Alicia Magann , Tak-San Ho , Herschel Rabitz

Since its invention in 1999, optical centrifuge has become a powerful tool for controlling molecular rotation and studying molecular dynamics and molecular properties at extreme levels of rotational excitation. The technique has been…

Instrumentation and Detectors · Physics 2020-05-20 Ian MacPhail-Bartley , Walter W. Wasserman , Alexander A. Milner , V. Milner

We introduce four new molecules -- YbRb, YbCs, YbSr$^+$, and YbBa$^+$ -- that may prove fruitful in experimental searches for the electric dipole moment (EDM) of the electron. These molecules can, in principle, be prepared at extremely low…

Atomic Physics · Physics 2015-05-13 Edmund R. Meyer , John L. Bohn

The output of a motor is work, while the output of a clock is information. Here it is discussed how a molecular motor can produce both, work and information, depending on the load. If the ratio of the backward and forward stepping rates of…

Chemical Physics · Physics 2022-04-13 Henry Hess