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Related papers: Magnetic fields facilitate DNA-mediated charge tra…

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The discovery in the early 2000's that magnetic nanoparticles (MNPs) complexed to nonviral or viral vectors can, in the presence of an external magnetic field, greatly enhance gene transfer into cells has raised much interest. This…

Quantitative Methods · Quantitative Biology 2011-11-08 José I. Schwerdt , Gerardo F. Goya , Pilar Calatayud , Claudia B. Hereñú , Paula C. Reggiani , Rodolfo G. Goya

Measurements of electron transfer rates as well as of charge transport characteristics in DNA produced a number of seemingly contradictory results, ranging from insulating behaviour to the suggestion that DNA is an efficient medium for…

Soft Condensed Matter · Physics 2007-05-23 R. Bulla , R. Gutierrez , G. Cuniberti

In this work, the capability of primary, monocyte-derived dendritic cells (DCs) to uptake iron oxide magnetic nanoparticles (MNPs) is assessed and a strategy to induce selective cell death in these MNP-loaded DCs using external alternating…

Biological Physics · Physics 2011-04-01 I. Marcos-Campos , L. Asín , T. E. Torres , C. Marquina , A. Tres , M. R. Ibarra , G. F. Goya

A resonant chiral tunneling (CT) across a graphene junction (GJ) induced by an external electromagnetic field (EF) is studied. Modulation of the electron and hole wavefunction phases $\varphi$ by the external EF during the CT processes…

Other Condensed Matter · Physics 2016-11-15 S. E. Shafranjuk

We consider a graphene sheet encapsulated in a two-dimensional metallic grating and a substrate ($\mathrm{Al_{2}O_{3}}$) and subjected to an external magnetic field (in Faraday configuration). The grating consists of a thin perfectly…

Mesoscale and Nanoscale Physics · Physics 2018-02-07 Yu. V. Bludov , M. I. Vasilevskiy , N. M. R. Peres

In this work, we report a novel strategy to construct molecular diodes with a record tunable rectification ratio of as high as 10^6 using oxidatively damaged DNA molecules. Being exposed to several endogenous and exogenous events, DNA…

Soft Condensed Matter · Physics 2022-08-01 Abhishek Aggarwal , Supriyo Naskar , Prabal K. Maiti

We study the electromagnetic radiation by a fermion carrying an electric charge $q$ embedded in a medium rotating with constant angular velocity $\bf\Omega$ parallel or anti-parallel to an external constant magnetic field $\bf B$. We assume…

High Energy Physics - Phenomenology · Physics 2023-11-29 Matteo Buzzegoli , Jonathan D. Kroth , Kirill Tuchin , Nandagopal Vijayakumar

In the field of DNA nanotechnology, it is common wisdom that charge transport occurs through the {\pi} stacked bases of double-stranded DNA. However, recent experimental findings by Zhuravel et. al. [Nat. Nanotech. 15, 836 (2020)] suggest…

Mesoscale and Nanoscale Physics · Physics 2024-12-31 Sourav Kundu , Siddhartha Lal

The effect of a modulated magnetic field on the electronic structure of neutral graphene is examined in this paper. It is found that application of a small staggered modulated magnetic field does not destroy the Dirac-cone structure of…

Mesoscale and Nanoscale Physics · Physics 2010-04-09 Lei Xu , Jin An , Chang-De Gong

We investigate the spontaneous emission rate of a two-level quantum emitter near a graphene-coated substrate under the influence of an external magnetic field or strain induced pseudo-magnetic field. We demonstrate that the application of…

Mesoscale and Nanoscale Physics · Physics 2015-12-09 W. J. M. Kort-Kamp , B. Amorim , G. Bastos , F. A. Pinheiro , F. S. S. Rosa , N. M. R. Peres , C. Farina

The magnetic order in antiferromagnetic (AF) materials is hard to control with external magnetic fields. However, recent advances in detecting and manipulating AF order electrically have opened up new prospects for these materials in basic…

We investigated the mganetic field effects (MFEs) on electron mobility in tri-(8-hydroxyquinoline)-aluminum based light-emitting devices by transient-electroluminescence method upon application of various offset voltages. It is found the…

Optics · Physics 2015-05-27 Qiming Peng , Jixiang Sun , Xianjie Li , Mingliang Li , Feng Li

Two-dimensional materials represented by graphene and transition metal dichalcogenides undergo charge transfer (CT) processes and become hole-doped in strong mineral acids. Nonetheless, their mechanisms remain unclear or controversial. This…

Materials Science · Physics 2021-10-06 Kwnaghee Park , Sunmin Ryu

Quantun spin transport through a short DNA chain connected to ferromagnetic electrodes has been investigated by the transfer matrix method. We describe the system by a tight-binding model where the parameters are extracted from the…

Soft Condensed Matter · Physics 2009-11-11 X. F. Wang , Tapash Chakraborty

At the earliest times after a heavy-ion collision, the magnetic field created by the spectator nucleons will generate an extremely strong, albeit rapidly decreasing in time, magnetic field. The impact of this magnetic field may have…

High Energy Physics - Phenomenology · Physics 2020-04-22 Gabriele Inghirami , Mark Mace , Yuji Hirono , Luca Del Zanna , Dmitri E. Kharzeev , Marcus Bleicher

An external magnetic field has been applied in laterally coupled dots (QDs) and we have studied the QD properties related to charge decoherence. The significance of the applied magnetic field to the suppression of electron-phonon relaxation…

Mesoscale and Nanoscale Physics · Physics 2009-10-12 V. N. Stavrou

Using two-dimensional particle-in-cell simulations, we examine how an externally applied strong magnetic impacts proton acceleration in laser-irradiated solid-density targets. We find that a kT-level external magnetic field can sufficiently…

Plasma Physics · Physics 2016-11-23 Alexey Arefiev , Toma Toncian , Gennady Fiksel

In this work, we present a systematic DFT investigation of the interaction between B-doped graphene and four selected metals: Mg and Zn, relevant for next-generation metal-ion batteries, and Cu and Pt, important for single-atom catalysis.…

Materials Science · Physics 2026-03-17 Nikola Veličković , Natalia V. Skorodumova , Ana S. Dobrota

We have studied the transport properties of a large graphene double quantum dot under the influence of background disorder potential and magnetic field. At low temperatures, the evolution of the charge-stability diagram as a function of…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 K. L. Chiu , M. R. Connolly , A. Cresti , J. P. Griffiths , G. A. C. Jones , C. G. Smith

Epitaxial strain provides a powerful, non-chemical route to tune the properties of functional materials by manipulating the coupling between spin, charge, and lattice degrees of freedom. Using density functional theory (DFT) calculations…

Strongly Correlated Electrons · Physics 2025-12-19 Sudip Mandal , Mihir Ranjan Sahoo , Kalpataru Pradhan
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