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Protonation of DNA basepairs is a reversible phenomenon which can be controlled by tuning the pH of the system. Under mild acidic conditions, the hydrogen bonding pattern of the DNA basepairs undergoes a change. We study the effect of…

Materials Science · Physics 2007-07-31 Sairam S. Mallajosyula , Swapan K Pati

Using high-quality gas phase electron scattering calculations and multiple scattering theory, we attempt to gain insights on the radiation damage to DNA induced by secondary low-energy electrons in the condensed phase, and to bridge the…

Chemical Physics · Physics 2009-11-13 Laurent Caron , Stefano Tonzani , Chris H. Greene , Leon Sanche

Ion migration in WO$_3$ is a critical process for various technological applications, such as in batteries, electrochromic devices and energy-efficient brain-inspired computing devices. In this study, we investigate the migration mechanisms…

Materials Science · Physics 2025-11-13 Matthäus Siebenhofer , Pjotrs Žguns , Bilge Yildiz

A multiscale approach is used to simulate the translocation of DNA through a nanopore. Within this scheme, the interactions of the molecule with the surrounding fluid (solvent) are explicitly taken into account. By generating polymers of…

Biological Physics · Physics 2009-11-13 Simone Melchionna , Maria Fyta , Efthimios Kaxiras , Sauro Succi

The polaron features due to electron-phonon interactions with different coupling ranges are investigated by adopting a variational approach. The ground-state energy, the spectral weight, the average kinetic energy, the mean number of…

Strongly Correlated Electrons · Physics 2007-05-23 C. A. Perroni , V. Cataudella , G. De Filippis , V. Marigliano Ramaglia

Materials containing high densities of exceptionally displaceable ions (e.g. perovskites) have extremely large ratios of their static to high-frequency dielectric constants, > 2. Large polarons form in such materials as their electronic…

Superconductivity · Physics 2020-08-26 David Emin

We study exciton quantum transfer along a molecular chain whilst accounting for the effects of permanent dipoles that are induced by charge displacements in the molecular orbitals. These effects are typically neglected as they do not arise…

Chemical Physics · Physics 2025-01-14 Adam Burgess , Erik Gauger

We theoretically investigate the magnitude and range of the photon-mediated interaction between two quantum dots embedded in a photonic crystal waveguide, including fabrication disorder both in the crystal and in the dot positioning. We…

Mesoscale and Nanoscale Physics · Physics 2013-08-20 Momchil Minkov , Vincenzo Savona

Deformation of single stranded DNA in translocation process before reaching the pore is investigated. By solving the Laplace equation in a suitable coordinate system and with appropriate boundary conditions, an approximate solution for the…

Soft Condensed Matter · Physics 2014-11-18 Farnoush Farahpour , Azadeh Maleknejad , Fathollah Varnik , Mohammad Reza Ejtehadi

The rates of multiparton collisions in high energy hadronic interactions provide information on the typical transverse distances between partons in the hadron structure. The different configurations of the hadron in transverse space are, on…

High Energy Physics - Phenomenology · Physics 2008-11-26 Daniele Treleani

Photo-induced charge transfer of positive and negative charges across the interface between an ordered organic semiconductor and a polymeric insulator is observed in the field-effect experiments. Immobilization of the transferred charge in…

Materials Science · Physics 2009-11-10 V. Podzorov , M. E. Gershenson

Four-dimensional imaging of charge migration is crucial to the understanding of several ubiquitous processes in nature. The present work focuses on imaging of charge migration in an oriented epoxypropane: a chiral molecule. A linearly…

Chemical Physics · Physics 2021-11-24 Sucharita Giri , Jean Christophe Tremblay , Gopal Dixit

In solution, DNA is a highly charged macromolecule which bears a unit of negative charge on each phosphate of its sugar-phosphate backbone. Although partially compensated by counterions adsorbed at or condensed near it, DNA still produces a…

Soft Condensed Matter · Physics 2024-03-11 Jonathan G. Hedley , Kush Coshic , Aleksei Aksimentiev , Alexei A. Kornyshev

Recent papers that have studied variants of the Peyrard-Bishop model for DNA, have taken into account the long range interaction due to the dipole moments of the hydrogen bonds between base pairs. In these models the helicity of the double…

Pattern Formation and Solitons · Physics 2009-11-07 B. Sanchez-Rey , J. F. R. Archilla , F. Palmero , F. R. Romero

We present a theoretical study of the modification of the near-field radiative heat transfer due to phonon-plasmon coupling in bilayer systems made of a doped semiconductor and a polar dielectric. By tuning the surface-plasmon mode of the…

Mesoscale and Nanoscale Physics · Physics 2019-01-09 J. E. Pérez-Rodríguez , Giuseppe Pirruccio , Raúl Esquivel-Sirvent

TaON and Ta3N5 are considered promising materials for photocatalytic and photoelectrochemical water splitting. But their counterpart Ta2O5 does not have good photocatalytic performance. This may cause by the different charge carrier…

Computational Physics · Physics 2021-05-10 Qianyu Zhao , Mengsi Cui , Taifeng Liu

We study the structure of generalized parton distributions in impact parameter space with the aim of determining the size and role of small transverse separations components in the quarks wave function. We analyze the relation between…

High Energy Physics - Phenomenology · Physics 2009-11-10 S. Liuti , S. K. Taneja

We investigate the charge transport in one-dimensional arrays of Josephson junctions. In the interesting regime of "small charge solitons" (polarons), the charge dynamics is strongly influenced by the polaronic effects, i.e., by dressing of…

Superconductivity · Physics 2012-03-01 Jens Homfeld , Ivan Protopopov , Stephan Rachel , Alexander Shnirman

While the thermodynamics of DNA hybridization is well understood, much less is known about the kinetics of this classic system. Filling this gap in our understanding has new urgency because DNA nanotechnology often depends critically on…

Soft Condensed Matter · Physics 2013-10-28 Thomas E. Ouldridge , Petr Šulc , Flavio Romano , Jonathan P. K. Doye , Ard A. Louis

The growing interest in exciton-polaritons has driven the need to manipulate their motion and engineer their band structures to the forefront of contemporary research. This study explores the band structures that emerge from a spatially…

Optics · Physics 2025-10-09 Xingran Xu , Chunyu Jia , Xin-Xin Yang
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