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Related papers: Long-range Charger transfer in DNA through Polaron…

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Charge transfer is a fundamental phenomenon in biology and chemistry, and involves the movement of charge through a system driven by nuclear dynamics. Because of the involvement of nuclear motion, it is generally assumed that charge…

Chemical Physics · Physics 2024-08-27 Simon P. Neville , Martha Yaghoubi Jouybari , Michael S. Schuurman

We study the transfer of electromagnetic energy across a subwavelength gap separating two co-axial metal nanorodes. The absence of spacer in the gap separating the rods the system exhibits the strong coupling between longitudinal plasmons…

Optics · Physics 2016-05-04 Maxim Sukharev , Abraham Nitzan

We studied the electrical conductivity of DNA samples as function of the number of DNA molecules. We showed that the insulating gap (no current at low voltage) increases from ~1-2 V for bundles and large ropes to ~4-7 V for few DNA…

Soft Condensed Matter · Physics 2007-05-23 Thomas Heim , Dominique Deresemes , Dominique Vuillaume

In high energy electron-ion colliders, a new way to probe nucleon structure becomes available through diffractive reactions, where the incident particle produces a very energetic almost forward particle. QCD describes these reactions as due…

High Energy Physics - Phenomenology · Physics 2021-06-02 W. Cosyn , B. Pire

The repton model is a simple model of the "reptation" motion by which DNA diffuses through a gel during electrophoresis. In this paper we show that the model can be mapped onto a system consisting of two types of particles with hard-sphere…

Soft Condensed Matter · Physics 2009-10-30 M. E. J. Newman , G. T. Barkema

A dynamical model is presented for chiral change in DNA molecules. The model is an extension of the conventional elastic model which incorporates the structure of base pairs and uses a spinor representation for the DNA configuration…

Biological Physics · Physics 2011-10-06 Teruaki Okushima , Hiroshi Kuratsuji

Solid-state nanopores are single molecule sensors that measure changes in ionic current as charged polymers such as DNA pass through. Here, we present comprehensive experiments on the length, voltage and salt dependence of the frequency of…

Biological Physics · Physics 2016-03-23 Nicholas A. W. Bell , Murugappan Muthukumar , Ulrich F. Keyser

The longitudinal spin transfer represents the probability density of producing longitudinally polarized hadrons from longitudinally polarized quarks or circularly polarized gluons. It thus was usually measured in polarized reactions or…

High Energy Physics - Phenomenology · Physics 2023-03-22 Hao-Cheng Zhang , Shu-Yi Wei

Thermal oscillations of base pairs in the Peyrard-Bishop-Holstein model are simulated by stochastic fluctuations of base overlap integrals. Numerical investigation of the model is carried out for a hole transfer in $G_1A_2G_3G_4$ sequence…

Chemical Physics · Physics 2013-03-27 A. S. Shigaev , O. A. Ponomarev , V. D. Lakhno

A diffusion process for charge distributions in a phase space is examined. The corresponding charge moves in a force field and under an action of a random field. There are the diffusion motions for coordinates and for momenta. In our model,…

Mathematical Physics · Physics 2008-03-19 E. M. Beniaminov

We present an exploratory study using generalized parton distributions of several observables related to transverse degrees of freedom in hadronic structure -- the nucleon transverse momentum, the transverse radius, or impact parameter, and…

High Energy Physics - Phenomenology · Physics 2009-11-11 S. Liuti

Protons in the gap between base pairs of the double helix store the code of life by breaking the chiral symmetry that swaps the sense strand with its complementary partner. When these hydrogen bonds break during replication and…

Biological Physics · Physics 2023-08-15 Noah Bray-Ali

We explore the mechanism for the long-lived quantum coherence by considering the discrete phonon modes: these vibrational modes effectively weaken the exciton-environment interaction, due to the new composite (polaron) formed by excitons…

Chemical Physics · Physics 2017-07-10 Zhedong Zhang , Jin Wang

Strongly correlated electrostatics of DNA systems has drawn the interest of many groups, especially the condensation and overcharging of DNA by multivalent counterions. By adding counterions of different valencies and shapes, one can…

Biomolecules · Quantitative Biology 2017-05-25 Nguyen Viet Duc , Toan T. Nguyen , Paolo Carloni

We propose a new method for electrophoretic separation of DNA in which adsorbed polymers are driven over a disordered two-dimensional substrate which contains attractive sites for the polymers. Using simulations of a model for long polymer…

Soft Condensed Matter · Physics 2008-03-31 C. J. Olson Reichhardt , C. Reichhardt

We investigate the steady-state electronic transport through a suspended dimer molecule coupled to leads. When strongly coupled to a vibrational mode, the electron transport is enhanced at the phonon resonant frequency and higher-order…

Mesoscale and Nanoscale Physics · Physics 2013-02-18 D. H. Santamore , Neill Lambert , Franco Nori

We investigate the long-range interactions between two neutrons utilizing recent data on the neutron static and dynamic electric and magnetic dipole polarizabilities. The resulting long-range potentials are used to make quantitative…

Nuclear Theory · Physics 2017-06-20 James F. Babb , Renato Higa , Mahir S. Hussein

We study the effect of multiple scatterings on the propagation of hard partons and the production of jet-bremsstrahlung photons inside a dense medium in the framework of deep-inelastic scattering off a large nucleus. We include the momentum…

Nuclear Theory · Physics 2015-05-20 Guang-You Qin , Abhijit Majumder

There is a growing understanding that transport properties of complex oxides and individual molecules are dominated by polaron physics. In superconducting oxides the long-range Froehlich and short-range Jahn-Teller electron-phonon…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. S. Alexandrov

In the present work, we analyze the influence of the polarization effects taking place during the course of a 2DIR spectroscopy experiment performed on a molecular system undergoing an intermolecular vibrational energy transfer process.…

Chemical Physics · Physics 2017-08-18 Albert A. Villaeys , Mabrouk Zouari , Kuo Kan Liang