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Charge migration along DNA molecules has attracted scientific interest for over half a century. Reports on possible high rates of charge transfer between donor and acceptor through the DNA, obtained in the last decade from solution…

Materials Science · Physics 2009-11-10 Danny Porath , Gianaurelio Cuniberti , Rosa Di Felice

The flexibility and stiffness of small DNA play a fundamental role ranging from several biophysical processes to nano-technological applications. Here, we estimate the mechanical properties of short double-stranded DNA (dsDNA) having length…

Soft Condensed Matter · Physics 2021-07-09 Supriyo Naskar , Prabal K. Maiti

Electron emission spectra of a thin gold foil after photon interaction were measured over the energy range between 50 eV and 9500 eV to provide reference data for Monte Carlo radiation-transport simulations. Experiments were performed with…

We investigate the localization property of an electron in the disordered two-chain system (ladder model) with long-range correlation as a simple model for electronic property in DNA sequence. The chains are constructed by repetition of the…

Disordered Systems and Neural Networks · Physics 2009-11-10 Hiroaki Yamada

Knowledge of $\nu_e$-$\mathrm{Fe}/\mathrm{Pb}$ differential cross sections for $\nu_e$ energy below several tens of MeV scale is believed to be crucial in understanding Supernova physics. In a segmented detector at Spallation Neutrino…

Nuclear Experiment · Physics 2015-05-30 Zhenwei Yang , Mingming Ding , Shaomin Chen , Zhe Wang , Feng Zhang , Yuanning Gao

The electron transport in the two-dimensional gas formed in tensile-strained Si1-xGex/Si/Si1-xGex heterostructures is investigated using Monte Carlo simulation. At first the electron mobility is studied in ungated modulation doped…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 F. Monsef , P. Dollfus , S. Galdin-Retailleau , H. -J. Herzog , T. Hackbarth

Thresholds for beam damage have been assessed for La$_{0.7}$Sr$_{0.3}$MnO$_3$ and SrTiO$_3$ as a function of electron probe current and exposure time at 80 and 200 kV acceleration voltage. The materials were exposed to an intense electron…

Materials Science · Physics 2016-08-30 Magnus Nord , Per Erik Vullum , Ingrid Hallsteinsen , Thomas Tybell , Randi Holmestad

NuSD: Neutrino Segmented Detector is a Geant4-based user application that simulates inverse beta decay event in a variety of segmented scintillation detectors developed by different international collaborations. This simulation framework…

High Energy Physics - Experiment · Physics 2022-09-28 Mustafa Kandemir , Emrah Tiras , Vincent Fischer

The double-helical structure of DNA results from canonical base pairing and stacking interactions. However, variations from steady-state conformations result from mechanical perturbations in cells. These different topologies have…

Biomolecules · Quantitative Biology 2019-04-05 Jack W Shepherd , Robert J Greenall , Matt I J Probert , Agnes Noy , Mark C Leake

Current optical space telescopes rely upon silicon Charge Coupled Devices (CCDs) to detect and image the incoming photons. The performance of a CCD detector depends on its ability to transfer electrons through the silicon efficiently, so…

Instrumentation and Methods for Astrophysics · Physics 2015-05-27 T. Prod'homme , A. G. A. Brown , L. Lindegren , A. D. T. Short , S. W. Brown

Novel String Banana Template Method (SBTM) for track reconstruction in difficult conditions is proposed and implemented for off-line analysis of relativistic heavy ion collision events. The main idea of the method is in use of features of…

Data Analysis, Statistics and Probability · Physics 2016-09-08 P. Kulinich , S. Basilev , V. Krylov

Minuscule molecular forces can transform DNA into a structure that is elongated by more than half its original length. We demonstrate that this pronounced conformational transition is of relevance to ongoing experimental and theoretical…

Materials Science · Physics 2010-07-06 Paul Maragakis , Ryan Lee Barnett , Efthimios Kaxiras , Marcus Elstner , Thomas Frauenheim

The Short-Time approximation is a method introduced to evaluate electroweak nuclear response for systems with $A\geq12$, extending the reach of first-principle many-body Quantum Monte Carlo calculations. Using realistic two- and three-body…

In the present paper we address the general problem of selective electrodynamic interactions between DNA and protein, which is motivated by decades of theoretical study and our very recent experimental findings (M. Lechelon et al,…

Biological Physics · Physics 2024-12-18 E. Faraji , P. Kurian , R. Franzosi , S. Mancini , E. Floriani , V. Calandrini , G. Pettini , M. Pettini

Single molecule experiments on B-DNA stretching have revealed one or two structural transitions, when increasing the external force. They are characterized by a sudden increase of DNA contour length and a decrease of the bending rigidity.…

Soft Condensed Matter · Physics 2012-10-25 Manoel Manghi , Nicolas Destainville , John Palmeri

DNA strand displacement (SD) reactions are central to the operation of many synthetic nucleic acid systems, including molecular circuits, sensors, and machines. Over the years, a broad set of design frameworks has emerged to accommodate…

Biomolecules · Quantitative Biology 2025-10-13 Križan Jurinović , Merry Mitra , Rakesh Mukherjee , Thomas E. Ouldridge

A strict method is used to calculate the current-voltage characteristics of a double-stranded DNA. A more reliable model considering the electrostatic potential drop along an individual DNA molecular wire between the contacts is considered…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Weihua Mu , Zhongcan Ou-Yang

Theoretical calculations of materials have in recent years shown promise in facilitating the analysis of convoluted experimental data. This is particularly invaluable in complex systems or for materials subject to certain environmental…

Electron transport in GaN/AlxGa1-xN superlattices is investigated using a single particle Monte Carlo approach. To establish the band structure required GaN, AlN and their ternary alloy are investigated using a single electron Monte Carlo…

Applied Physics · Physics 2023-09-19 Mengxun Bai , Judy

Understanding radiation-induced defect formation in carbon materials is crucial for nuclear technology and for the manufacturing of nanostructures with desired properties. Using first principles molecular dynamics, we perform a systematic…

Materials Science · Physics 2007-05-23 Oleg V. Yazyev , Ivano Tavernelli , Ursula Rothlisberger , Lothar Helm
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